19839960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7873}}^1$

素因数の和:7897

約数の個数: 96

約数和(自身を含む): 73700640

約数和(自身を除く): 53860680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7873, 15746, 23619, 31492, 39365, 47238, 55111, 62984, 70857, 78730, 94476, 110222, 118095, 141714, 157460, 165333, 188952, 220444, 236190, 275555, 283428, 314920, 330666, 354285, 440888, 472380, 495999, 551110, 566856, 661332, 708570, 826665, 944760, 991998, 1102220, 1322664, 1417140, 1653330, 1983996, 2204440, 2479995, 2834280, 3306660, 3967992, 4959990, 6613320, 9919980, 19839960]

約数ペア:

[(1, 19839960), (2, 9919980), (3, 6613320), (4, 4959990), (5, 3967992), (6, 3306660), (7, 2834280), (8, 2479995), (9, 2204440), (10, 1983996), (12, 1653330), (14, 1417140), (15, 1322664), (18, 1102220), (20, 991998), (21, 944760), (24, 826665), (28, 708570), (30, 661332), (35, 566856), (36, 551110), (40, 495999), (42, 472380), (45, 440888), (56, 354285), (60, 330666), (63, 314920), (70, 283428), (72, 275555), (84, 236190), (90, 220444), (105, 188952), (120, 165333), (126, 157460), (140, 141714), (168, 118095), (180, 110222), (210, 94476), (252, 78730), (280, 70857), (315, 62984), (360, 55111), (420, 47238), (504, 39365), (630, 31492), (840, 23619), (1260, 15746), (2520, 7873)]