19027120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 51478848

約数和(自身を除く): 32451728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 557, 560, 610, 854, 976, 1114, 1220, 1708, 2135, 2228, 2440, 2785, 3416, 3899, 4270, 4456, 4880, 5570, 6832, 7798, 8540, 8912, 11140, 15596, 17080, 19495, 22280, 31192, 33977, 34160, 38990, 44560, 62384, 67954, 77980, 135908, 155960, 169885, 237839, 271816, 311920, 339770, 475678, 543632, 679540, 951356, 1189195, 1359080, 1902712, 2378390, 2718160, 3805424, 4756780, 9513560, 19027120]

約数ペア:

[(1, 19027120), (2, 9513560), (4, 4756780), (5, 3805424), (7, 2718160), (8, 2378390), (10, 1902712), (14, 1359080), (16, 1189195), (20, 951356), (28, 679540), (35, 543632), (40, 475678), (56, 339770), (61, 311920), (70, 271816), (80, 237839), (112, 169885), (122, 155960), (140, 135908), (244, 77980), (280, 67954), (305, 62384), (427, 44560), (488, 38990), (557, 34160), (560, 33977), (610, 31192), (854, 22280), (976, 19495), (1114, 17080), (1220, 15596), (1708, 11140), (2135, 8912), (2228, 8540), (2440, 7798), (2785, 6832), (3416, 5570), (3899, 4880), (4270, 4456)]