19711428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2531}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 51045120

約数和(自身を除く): 31333692

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 59, 66, 118, 132, 177, 236, 354, 649, 708, 1298, 1947, 2531, 2596, 3894, 5062, 7593, 7788, 10124, 15186, 27841, 30372, 55682, 83523, 111364, 149329, 167046, 298658, 334092, 447987, 597316, 895974, 1642619, 1791948, 3285238, 4927857, 6570476, 9855714, 19711428]

約数ペア:

[(1, 19711428), (2, 9855714), (3, 6570476), (4, 4927857), (6, 3285238), (11, 1791948), (12, 1642619), (22, 895974), (33, 597316), (44, 447987), (59, 334092), (66, 298658), (118, 167046), (132, 149329), (177, 111364), (236, 83523), (354, 55682), (649, 30372), (708, 27841), (1298, 15186), (1947, 10124), (2531, 7788), (2596, 7593), (3894, 5062)]