19712916

素因数分解:

$2^2\times 3^3\times {\mathrm{349}}^1\times {\mathrm{523}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 51352000

約数和(自身を除く): 31639084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 349, 523, 698, 1046, 1047, 1396, 1569, 2092, 2094, 3138, 3141, 4188, 4707, 6276, 6282, 9414, 9423, 12564, 14121, 18828, 18846, 28242, 37692, 56484, 182527, 365054, 547581, 730108, 1095162, 1642743, 2190324, 3285486, 4928229, 6570972, 9856458, 19712916]

約数ペア:

[(1, 19712916), (2, 9856458), (3, 6570972), (4, 4928229), (6, 3285486), (9, 2190324), (12, 1642743), (18, 1095162), (27, 730108), (36, 547581), (54, 365054), (108, 182527), (349, 56484), (523, 37692), (698, 28242), (1046, 18846), (1047, 18828), (1396, 14121), (1569, 12564), (2092, 9423), (2094, 9414), (3138, 6282), (3141, 6276), (4188, 4707)]