18704556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2351}}^1$

素因数の和:2391

約数の個数: 72

約数和(自身を含む): 53936064

約数和(自身を除く): 35231508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2351, 2652, 3978, 4702, 7053, 7956, 9404, 14106, 21159, 28212, 30563, 39967, 42318, 61126, 79934, 84636, 91689, 119901, 122252, 159868, 183378, 239802, 275067, 359703, 366756, 479604, 519571, 550134, 719406, 1039142, 1100268, 1438812, 1558713, 2078284, 3117426, 4676139, 6234852, 9352278, 18704556]

約数ペア:

[(1, 18704556), (2, 9352278), (3, 6234852), (4, 4676139), (6, 3117426), (9, 2078284), (12, 1558713), (13, 1438812), (17, 1100268), (18, 1039142), (26, 719406), (34, 550134), (36, 519571), (39, 479604), (51, 366756), (52, 359703), (68, 275067), (78, 239802), (102, 183378), (117, 159868), (153, 122252), (156, 119901), (204, 91689), (221, 84636), (234, 79934), (306, 61126), (442, 42318), (468, 39967), (612, 30563), (663, 28212), (884, 21159), (1326, 14106), (1989, 9404), (2351, 7956), (2652, 7053), (3978, 4702)]