19956384

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:563

約数の個数: 144

約数和(自身を含む): 68402880

約数和(自身を除く): 48446496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 224, 228, 252, 266, 288, 304, 336, 342, 399, 456, 504, 521, 532, 608, 672, 684, 798, 912, 1008, 1042, 1064, 1197, 1368, 1563, 1596, 1824, 2016, 2084, 2128, 2394, 2736, 3126, 3192, 3647, 4168, 4256, 4689, 4788, 5472, 6252, 6384, 7294, 8336, 9378, 9576, 9899, 10941, 12504, 12768, 14588, 16672, 18756, 19152, 19798, 21882, 25008, 29176, 29697, 32823, 37512, 38304, 39596, 43764, 50016, 58352, 59394, 65646, 69293, 75024, 79192, 87528, 89091, 116704, 118788, 131292, 138586, 150048, 158384, 175056, 178182, 207879, 237576, 262584, 277172, 316768, 350112, 356364, 415758, 475152, 525168, 554344, 623637, 712728, 831516, 950304, 1050336, 1108688, 1247274, 1425456, 1663032, 2217376, 2494548, 2850912, 3326064, 4989096, 6652128, 9978192, 19956384]

約数ペア:

[(1, 19956384), (2, 9978192), (3, 6652128), (4, 4989096), (6, 3326064), (7, 2850912), (8, 2494548), (9, 2217376), (12, 1663032), (14, 1425456), (16, 1247274), (18, 1108688), (19, 1050336), (21, 950304), (24, 831516), (28, 712728), (32, 623637), (36, 554344), (38, 525168), (42, 475152), (48, 415758), (56, 356364), (57, 350112), (63, 316768), (72, 277172), (76, 262584), (84, 237576), (96, 207879), (112, 178182), (114, 175056), (126, 158384), (133, 150048), (144, 138586), (152, 131292), (168, 118788), (171, 116704), (224, 89091), (228, 87528), (252, 79192), (266, 75024), (288, 69293), (304, 65646), (336, 59394), (342, 58352), (399, 50016), (456, 43764), (504, 39596), (521, 38304), (532, 37512), (608, 32823), (672, 29697), (684, 29176), (798, 25008), (912, 21882), (1008, 19798), (1042, 19152), (1064, 18756), (1197, 16672), (1368, 14588), (1563, 12768), (1596, 12504), (1824, 10941), (2016, 9899), (2084, 9576), (2128, 9378), (2394, 8336), (2736, 7294), (3126, 6384), (3192, 6252), (3647, 5472), (4168, 4788), (4256, 4689)]