18930600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:844

約数の個数: 144

約数和(自身を含む): 68550300

約数和(自身を除く): 49619700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 809, 900, 936, 975, 1170, 1300, 1560, 1618, 1800, 1950, 2340, 2427, 2600, 2925, 3236, 3900, 4045, 4680, 4854, 5850, 6472, 7281, 7800, 8090, 9708, 10517, 11700, 12135, 14562, 16180, 19416, 20225, 21034, 23400, 24270, 29124, 31551, 32360, 36405, 40450, 42068, 48540, 52585, 58248, 60675, 63102, 72810, 80900, 84136, 94653, 97080, 105170, 121350, 126204, 145620, 157755, 161800, 182025, 189306, 210340, 242700, 252408, 262925, 291240, 315510, 364050, 378612, 420680, 473265, 485400, 525850, 631020, 728100, 757224, 788775, 946530, 1051700, 1262040, 1456200, 1577550, 1893060, 2103400, 2366325, 3155100, 3786120, 4732650, 6310200, 9465300, 18930600]

約数ペア:

[(1, 18930600), (2, 9465300), (3, 6310200), (4, 4732650), (5, 3786120), (6, 3155100), (8, 2366325), (9, 2103400), (10, 1893060), (12, 1577550), (13, 1456200), (15, 1262040), (18, 1051700), (20, 946530), (24, 788775), (25, 757224), (26, 728100), (30, 631020), (36, 525850), (39, 485400), (40, 473265), (45, 420680), (50, 378612), (52, 364050), (60, 315510), (65, 291240), (72, 262925), (75, 252408), (78, 242700), (90, 210340), (100, 189306), (104, 182025), (117, 161800), (120, 157755), (130, 145620), (150, 126204), (156, 121350), (180, 105170), (195, 97080), (200, 94653), (225, 84136), (234, 80900), (260, 72810), (300, 63102), (312, 60675), (325, 58248), (360, 52585), (390, 48540), (450, 42068), (468, 40450), (520, 36405), (585, 32360), (600, 31551), (650, 29124), (780, 24270), (809, 23400), (900, 21034), (936, 20225), (975, 19416), (1170, 16180), (1300, 14562), (1560, 12135), (1618, 11700), (1800, 10517), (1950, 9708), (2340, 8090), (2427, 7800), (2600, 7281), (2925, 6472), (3236, 5850), (3900, 4854), (4045, 4680)]