2021919770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19037}}^1$

素因数の和:19119

約数の個数: 64

約数和(自身を含む): 4221866880

約数和(自身を除く): 2199947110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 86, 95, 130, 190, 215, 247, 430, 494, 559, 817, 1118, 1235, 1634, 2470, 2795, 4085, 5590, 8170, 10621, 19037, 21242, 38074, 53105, 95185, 106210, 190370, 247481, 361703, 494962, 723406, 818591, 1237405, 1637182, 1808515, 2474810, 3617030, 4092955, 4702139, 8185910, 9404278, 10641683, 15553229, 21283366, 23510695, 31106458, 47021390, 53208415, 77766145, 106416830, 155532290, 202191977, 404383954, 1010959885, 2021919770]

約数ペア:

[(1, 2021919770), (2, 1010959885), (5, 404383954), (10, 202191977), (13, 155532290), (19, 106416830), (26, 77766145), (38, 53208415), (43, 47021390), (65, 31106458), (86, 23510695), (95, 21283366), (130, 15553229), (190, 10641683), (215, 9404278), (247, 8185910), (430, 4702139), (494, 4092955), (559, 3617030), (817, 2474810), (1118, 1808515), (1235, 1637182), (1634, 1237405), (2470, 818591), (2795, 723406), (4085, 494962), (5590, 361703), (8170, 247481), (10621, 190370), (19037, 106210), (21242, 95185), (38074, 53105)]