18651708

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 50552320

約数和(自身を除く): 31900612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 619, 837, 972, 1116, 1238, 1674, 1857, 2476, 2511, 3348, 3714, 5022, 5571, 7428, 7533, 10044, 11142, 15066, 16713, 19189, 22284, 30132, 33426, 38378, 50139, 57567, 66852, 76756, 100278, 115134, 150417, 172701, 200556, 230268, 300834, 345402, 518103, 601668, 690804, 1036206, 1554309, 2072412, 3108618, 4662927, 6217236, 9325854, 18651708]

約数ペア:

[(1, 18651708), (2, 9325854), (3, 6217236), (4, 4662927), (6, 3108618), (9, 2072412), (12, 1554309), (18, 1036206), (27, 690804), (31, 601668), (36, 518103), (54, 345402), (62, 300834), (81, 230268), (93, 200556), (108, 172701), (124, 150417), (162, 115134), (186, 100278), (243, 76756), (279, 66852), (324, 57567), (372, 50139), (486, 38378), (558, 33426), (619, 30132), (837, 22284), (972, 19189), (1116, 16713), (1238, 15066), (1674, 11142), (1857, 10044), (2476, 7533), (2511, 7428), (3348, 5571), (3714, 5022)]