19807160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9343}}^1$

素因数の和:9407

約数の個数: 32

約数和(自身を含む): 45411840

約数和(自身を除く): 25604680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9343, 18686, 37372, 46715, 74744, 93430, 186860, 373720, 495179, 990358, 1980716, 2475895, 3961432, 4951790, 9903580, 19807160]

約数ペア:

[(1, 19807160), (2, 9903580), (4, 4951790), (5, 3961432), (8, 2475895), (10, 1980716), (20, 990358), (40, 495179), (53, 373720), (106, 186860), (212, 93430), (265, 74744), (424, 46715), (530, 37372), (1060, 18686), (2120, 9343)]