18357080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1237}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 48133440

約数和(自身を除く): 29776360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1237, 1484, 1855, 2120, 2474, 2968, 3710, 4948, 6185, 7420, 8659, 9896, 12370, 14840, 17318, 24740, 34636, 43295, 49480, 65561, 69272, 86590, 131122, 173180, 262244, 327805, 346360, 458927, 524488, 655610, 917854, 1311220, 1835708, 2294635, 2622440, 3671416, 4589270, 9178540, 18357080]

約数ペア:

[(1, 18357080), (2, 9178540), (4, 4589270), (5, 3671416), (7, 2622440), (8, 2294635), (10, 1835708), (14, 1311220), (20, 917854), (28, 655610), (35, 524488), (40, 458927), (53, 346360), (56, 327805), (70, 262244), (106, 173180), (140, 131122), (212, 86590), (265, 69272), (280, 65561), (371, 49480), (424, 43295), (530, 34636), (742, 24740), (1060, 17318), (1237, 14840), (1484, 12370), (1855, 9896), (2120, 8659), (2474, 7420), (2968, 6185), (3710, 4948)]