19894920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{523}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 59987520

約数和(自身を除く): 40092600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 317, 523, 634, 951, 1046, 1268, 1569, 1585, 1902, 2092, 2536, 2615, 3138, 3170, 3804, 4184, 4755, 5230, 6276, 6340, 7608, 7845, 9510, 10460, 12552, 12680, 15690, 19020, 20920, 31380, 38040, 62760, 165791, 331582, 497373, 663164, 828955, 994746, 1326328, 1657910, 1989492, 2486865, 3315820, 3978984, 4973730, 6631640, 9947460, 19894920]

約数ペア:

[(1, 19894920), (2, 9947460), (3, 6631640), (4, 4973730), (5, 3978984), (6, 3315820), (8, 2486865), (10, 1989492), (12, 1657910), (15, 1326328), (20, 994746), (24, 828955), (30, 663164), (40, 497373), (60, 331582), (120, 165791), (317, 62760), (523, 38040), (634, 31380), (951, 20920), (1046, 19020), (1268, 15690), (1569, 12680), (1585, 12552), (1902, 10460), (2092, 9510), (2536, 7845), (2615, 7608), (3138, 6340), (3170, 6276), (3804, 5230), (4184, 4755)]