19211400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 69565860

約数和(自身を除く): 50354460

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, 821, 900, 936, 975, 1170, 1300, 1560, 1642, 1800, 1950, 2340, 2463, 2600, 2925, 3284, 3900, 4105, 4680, 4926, 5850, 6568, 7389, 7800, 8210, 9852, 10673, 11700, 12315, 14778, 16420, 19704, 20525, 21346, 23400, 24630, 29556, 32019, 32840, 36945, 41050, 42692, 49260, 53365, 59112, 61575, 64038, 73890, 82100, 85384, 96057, 98520, 106730, 123150, 128076, 147780, 160095, 164200, 184725, 192114, 213460, 246300, 256152, 266825, 295560, 320190, 369450, 384228, 426920, 480285, 492600, 533650, 640380, 738900, 768456, 800475, 960570, 1067300, 1280760, 1477800, 1600950, 1921140, 2134600, 2401425, 3201900, 3842280, 4802850, 6403800, 9605700, 19211400]

約数ペア:

[(1, 19211400), (2, 9605700), (3, 6403800), (4, 4802850), (5, 3842280), (6, 3201900), (8, 2401425), (9, 2134600), (10, 1921140), (12, 1600950), (13, 1477800), (15, 1280760), (18, 1067300), (20, 960570), (24, 800475), (25, 768456), (26, 738900), (30, 640380), (36, 533650), (39, 492600), (40, 480285), (45, 426920), (50, 384228), (52, 369450), (60, 320190), (65, 295560), (72, 266825), (75, 256152), (78, 246300), (90, 213460), (100, 192114), (104, 184725), (117, 164200), (120, 160095), (130, 147780), (150, 128076), (156, 123150), (180, 106730), (195, 98520), (200, 96057), (225, 85384), (234, 82100), (260, 73890), (300, 64038), (312, 61575), (325, 59112), (360, 53365), (390, 49260), (450, 42692), (468, 41050), (520, 36945), (585, 32840), (600, 32019), (650, 29556), (780, 24630), (821, 23400), (900, 21346), (936, 20525), (975, 19704), (1170, 16420), (1300, 14778), (1560, 12315), (1642, 11700), (1800, 10673), (1950, 9852), (2340, 8210), (2463, 7800), (2600, 7389), (2925, 6568), (3284, 5850), (3900, 4926), (4105, 4680)]