1900494855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{18679}}^1$

素因数の和:18733

約数の個数: 96

約数和(自身を含む): 4196275200

約数和(自身を除く): 2295780345

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 153, 171, 255, 285, 315, 323, 357, 399, 595, 665, 765, 855, 969, 1071, 1197, 1615, 1785, 1995, 2261, 2907, 4845, 5355, 5985, 6783, 11305, 14535, 18679, 20349, 33915, 56037, 93395, 101745, 130753, 168111, 280185, 317543, 354901, 392259, 653765, 840555, 952629, 1064703, 1176777, 1587715, 1774505, 1961295, 2222801, 2484307, 2857887, 3194109, 4763145, 5323515, 5883885, 6033317, 6668403, 7452921, 11114005, 12421535, 14289435, 15970545, 18099951, 20005209, 22358763, 30166585, 33342015, 37264605, 42233219, 54299853, 90499755, 100026045, 111793815, 126699657, 211166095, 271499265, 380098971, 633498285, 1900494855]

約数ペア:

[(1, 1900494855), (3, 633498285), (5, 380098971), (7, 271499265), (9, 211166095), (15, 126699657), (17, 111793815), (19, 100026045), (21, 90499755), (35, 54299853), (45, 42233219), (51, 37264605), (57, 33342015), (63, 30166585), (85, 22358763), (95, 20005209), (105, 18099951), (119, 15970545), (133, 14289435), (153, 12421535), (171, 11114005), (255, 7452921), (285, 6668403), (315, 6033317), (323, 5883885), (357, 5323515), (399, 4763145), (595, 3194109), (665, 2857887), (765, 2484307), (855, 2222801), (969, 1961295), (1071, 1774505), (1197, 1587715), (1615, 1176777), (1785, 1064703), (1995, 952629), (2261, 840555), (2907, 653765), (4845, 392259), (5355, 354901), (5985, 317543), (6783, 280185), (11305, 168111), (14535, 130753), (18679, 101745), (20349, 93395), (33915, 56037)]