18947040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{5639}}^1$

素因数の和:5664

約数の個数: 96

約数和(自身を含む): 68221440

約数和(自身を除く): 49274400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 5639, 11278, 16917, 22556, 28195, 33834, 39473, 45112, 56390, 67668, 78946, 84585, 90224, 112780, 118419, 135336, 157892, 169170, 180448, 197365, 225560, 236838, 270672, 315784, 338340, 394730, 451120, 473676, 541344, 592095, 631568, 676680, 789460, 902240, 947352, 1184190, 1263136, 1353360, 1578920, 1894704, 2368380, 2706720, 3157840, 3789408, 4736760, 6315680, 9473520, 18947040]

約数ペア:

[(1, 18947040), (2, 9473520), (3, 6315680), (4, 4736760), (5, 3789408), (6, 3157840), (7, 2706720), (8, 2368380), (10, 1894704), (12, 1578920), (14, 1353360), (15, 1263136), (16, 1184190), (20, 947352), (21, 902240), (24, 789460), (28, 676680), (30, 631568), (32, 592095), (35, 541344), (40, 473676), (42, 451120), (48, 394730), (56, 338340), (60, 315784), (70, 270672), (80, 236838), (84, 225560), (96, 197365), (105, 180448), (112, 169170), (120, 157892), (140, 135336), (160, 118419), (168, 112780), (210, 90224), (224, 84585), (240, 78946), (280, 67668), (336, 56390), (420, 45112), (480, 39473), (560, 33834), (672, 28195), (840, 22556), (1120, 16917), (1680, 11278), (3360, 5639)]