19930410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3203

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 32635350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3119, 3195, 6238, 6390, 9357, 15595, 18714, 28071, 31190, 46785, 56142, 93570, 140355, 221449, 280710, 442898, 664347, 1107245, 1328694, 1993041, 2214490, 3321735, 3986082, 6643470, 9965205, 19930410]

約数ペア:

[(1, 19930410), (2, 9965205), (3, 6643470), (5, 3986082), (6, 3321735), (9, 2214490), (10, 1993041), (15, 1328694), (18, 1107245), (30, 664347), (45, 442898), (71, 280710), (90, 221449), (142, 140355), (213, 93570), (355, 56142), (426, 46785), (639, 31190), (710, 28071), (1065, 18714), (1278, 15595), (2130, 9357), (3119, 6390), (3195, 6238)]