18442884628

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{20663}}^1$

素因数の和:21052

約数の個数: 48

約数和(自身を含む): 37326127104

約数和(自身を除く): 18883242476

約数列:

[1, 2, 4, 7, 14, 28, 127, 251, 254, 502, 508, 889, 1004, 1757, 1778, 3514, 3556, 7028, 20663, 31877, 41326, 63754, 82652, 127508, 144641, 223139, 289282, 446278, 578564, 892556, 2624201, 5186413, 5248402, 10372826, 10496804, 18369407, 20745652, 36304891, 36738814, 72609782, 73477628, 145219564, 658674451, 1317348902, 2634697804, 4610721157, 9221442314, 18442884628]

約数ペア:

[(1, 18442884628), (2, 9221442314), (4, 4610721157), (7, 2634697804), (14, 1317348902), (28, 658674451), (127, 145219564), (251, 73477628), (254, 72609782), (502, 36738814), (508, 36304891), (889, 20745652), (1004, 18369407), (1757, 10496804), (1778, 10372826), (3514, 5248402), (3556, 5186413), (7028, 2624201), (20663, 892556), (31877, 578564), (41326, 446278), (63754, 289282), (82652, 223139), (127508, 144641)]