18312910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1441

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25232690

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1399, 1870, 2618, 2798, 6545, 6995, 9793, 13090, 13990, 15389, 19586, 23783, 30778, 47566, 48965, 76945, 97930, 107723, 118915, 153890, 166481, 215446, 237830, 261613, 332962, 523226, 538615, 832405, 1077230, 1308065, 1664810, 1831291, 2616130, 3662582, 9156455, 18312910]

約数ペア:

[(1, 18312910), (2, 9156455), (5, 3662582), (7, 2616130), (10, 1831291), (11, 1664810), (14, 1308065), (17, 1077230), (22, 832405), (34, 538615), (35, 523226), (55, 332962), (70, 261613), (77, 237830), (85, 215446), (110, 166481), (119, 153890), (154, 118915), (170, 107723), (187, 97930), (238, 76945), (374, 48965), (385, 47566), (595, 30778), (770, 23783), (935, 19586), (1190, 15389), (1309, 13990), (1399, 13090), (1870, 9793), (2618, 6995), (2798, 6545)]