19669360

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4639}}^1$

素因数の和:4705

約数の個数: 40

約数和(自身を含む): 46604160

約数和(自身を除く): 26934800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 4639, 9278, 18556, 23195, 37112, 46390, 74224, 92780, 185560, 245867, 371120, 491734, 983468, 1229335, 1966936, 2458670, 3933872, 4917340, 9834680, 19669360]

約数ペア:

[(1, 19669360), (2, 9834680), (4, 4917340), (5, 3933872), (8, 2458670), (10, 1966936), (16, 1229335), (20, 983468), (40, 491734), (53, 371120), (80, 245867), (106, 185560), (212, 92780), (265, 74224), (424, 46390), (530, 37112), (848, 23195), (1060, 18556), (2120, 9278), (4240, 4639)]