19810366015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11618983}}^1$

素因数の和:11619030

約数の個数: 16

約数和(自身を含む): 26770139136

約数和(自身を除く): 6959773121

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 11618983, 58094915, 127808813, 360188473, 639044065, 1800942365, 3962073203, 19810366015]

約数ペア:

[(1, 19810366015), (5, 3962073203), (11, 1800942365), (31, 639044065), (55, 360188473), (155, 127808813), (341, 58094915), (1705, 11618983)]