19856760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 192

約数和(自身を含む): 75841920

約数和(自身を除く): 55985160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 307, 308, 330, 385, 392, 420, 440, 462, 490, 539, 588, 614, 616, 660, 735, 770, 840, 921, 924, 980, 1078, 1155, 1176, 1228, 1320, 1470, 1535, 1540, 1617, 1842, 1848, 1960, 2149, 2156, 2310, 2456, 2695, 2940, 3070, 3080, 3234, 3377, 3684, 4298, 4312, 4605, 4620, 5390, 5880, 6140, 6447, 6468, 6754, 7368, 8085, 8596, 9210, 9240, 10131, 10745, 10780, 12280, 12894, 12936, 13508, 15043, 16170, 16885, 17192, 18420, 20262, 21490, 21560, 23639, 25788, 27016, 30086, 32235, 32340, 33770, 36840, 40524, 42980, 45129, 47278, 50655, 51576, 60172, 64470, 64680, 67540, 70917, 75215, 81048, 85960, 90258, 94556, 101310, 118195, 120344, 128940, 135080, 141834, 150430, 165473, 180516, 189112, 202620, 225645, 236390, 257880, 283668, 300860, 330946, 354585, 361032, 405240, 451290, 472780, 496419, 567336, 601720, 661892, 709170, 827365, 902580, 945560, 992838, 1323784, 1418340, 1654730, 1805160, 1985676, 2482095, 2836680, 3309460, 3971352, 4964190, 6618920, 9928380, 19856760]

約数ペア:

[(1, 19856760), (2, 9928380), (3, 6618920), (4, 4964190), (5, 3971352), (6, 3309460), (7, 2836680), (8, 2482095), (10, 1985676), (11, 1805160), (12, 1654730), (14, 1418340), (15, 1323784), (20, 992838), (21, 945560), (22, 902580), (24, 827365), (28, 709170), (30, 661892), (33, 601720), (35, 567336), (40, 496419), (42, 472780), (44, 451290), (49, 405240), (55, 361032), (56, 354585), (60, 330946), (66, 300860), (70, 283668), (77, 257880), (84, 236390), (88, 225645), (98, 202620), (105, 189112), (110, 180516), (120, 165473), (132, 150430), (140, 141834), (147, 135080), (154, 128940), (165, 120344), (168, 118195), (196, 101310), (210, 94556), (220, 90258), (231, 85960), (245, 81048), (264, 75215), (280, 70917), (294, 67540), (307, 64680), (308, 64470), (330, 60172), (385, 51576), (392, 50655), (420, 47278), (440, 45129), (462, 42980), (490, 40524), (539, 36840), (588, 33770), (614, 32340), (616, 32235), (660, 30086), (735, 27016), (770, 25788), (840, 23639), (921, 21560), (924, 21490), (980, 20262), (1078, 18420), (1155, 17192), (1176, 16885), (1228, 16170), (1320, 15043), (1470, 13508), (1535, 12936), (1540, 12894), (1617, 12280), (1842, 10780), (1848, 10745), (1960, 10131), (2149, 9240), (2156, 9210), (2310, 8596), (2456, 8085), (2695, 7368), (2940, 6754), (3070, 6468), (3080, 6447), (3234, 6140), (3377, 5880), (3684, 5390), (4298, 4620), (4312, 4605)]