19755450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 62558496

約数和(自身を除く): 42803046

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 25, 26, 30, 33, 39, 45, 50, 55, 65, 66, 75, 78, 90, 99, 110, 117, 130, 143, 150, 165, 195, 198, 225, 234, 275, 286, 307, 325, 330, 390, 429, 450, 495, 550, 585, 614, 650, 715, 825, 858, 921, 975, 990, 1170, 1287, 1430, 1535, 1650, 1842, 1950, 2145, 2475, 2574, 2763, 2925, 3070, 3377, 3575, 3991, 4290, 4605, 4950, 5526, 5850, 6435, 6754, 7150, 7675, 7982, 9210, 10131, 10725, 11973, 12870, 13815, 15350, 16885, 19955, 20262, 21450, 23025, 23946, 27630, 30393, 32175, 33770, 35919, 39910, 43901, 46050, 50655, 59865, 60786, 64350, 69075, 71838, 84425, 87802, 99775, 101310, 119730, 131703, 138150, 151965, 168850, 179595, 199550, 219505, 253275, 263406, 299325, 303930, 359190, 395109, 439010, 506550, 598650, 658515, 759825, 790218, 897975, 1097525, 1317030, 1519650, 1795950, 1975545, 2195050, 3292575, 3951090, 6585150, 9877725, 19755450]

約数ペア:

[(1, 19755450), (2, 9877725), (3, 6585150), (5, 3951090), (6, 3292575), (9, 2195050), (10, 1975545), (11, 1795950), (13, 1519650), (15, 1317030), (18, 1097525), (22, 897975), (25, 790218), (26, 759825), (30, 658515), (33, 598650), (39, 506550), (45, 439010), (50, 395109), (55, 359190), (65, 303930), (66, 299325), (75, 263406), (78, 253275), (90, 219505), (99, 199550), (110, 179595), (117, 168850), (130, 151965), (143, 138150), (150, 131703), (165, 119730), (195, 101310), (198, 99775), (225, 87802), (234, 84425), (275, 71838), (286, 69075), (307, 64350), (325, 60786), (330, 59865), (390, 50655), (429, 46050), (450, 43901), (495, 39910), (550, 35919), (585, 33770), (614, 32175), (650, 30393), (715, 27630), (825, 23946), (858, 23025), (921, 21450), (975, 20262), (990, 19955), (1170, 16885), (1287, 15350), (1430, 13815), (1535, 12870), (1650, 11973), (1842, 10725), (1950, 10131), (2145, 9210), (2475, 7982), (2574, 7675), (2763, 7150), (2925, 6754), (3070, 6435), (3377, 5850), (3575, 5526), (3991, 4950), (4290, 4605)]