18820970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4013}}^1$

素因数の和:4094

約数の個数: 32

約数和(自身を含む): 39305088

約数和(自身を除く): 20484118

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4013, 4690, 8026, 20065, 28091, 40130, 56182, 140455, 268871, 280910, 537742, 1344355, 1882097, 2688710, 3764194, 9410485, 18820970]

約数ペア:

[(1, 18820970), (2, 9410485), (5, 3764194), (7, 2688710), (10, 1882097), (14, 1344355), (35, 537742), (67, 280910), (70, 268871), (134, 140455), (335, 56182), (469, 40130), (670, 28091), (938, 20065), (2345, 8026), (4013, 4690)]