18801900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1640

約数の個数: 108

約数和(自身を含む): 63506352

約数和(自身を除く): 44704452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1607, 1950, 2340, 2925, 3214, 3900, 4821, 5850, 6428, 8035, 9642, 11700, 14463, 16070, 19284, 20891, 24105, 28926, 32140, 40175, 41782, 48210, 57852, 62673, 72315, 80350, 83564, 96420, 104455, 120525, 125346, 144630, 160700, 188019, 208910, 241050, 250692, 289260, 313365, 361575, 376038, 417820, 482100, 522275, 626730, 723150, 752076, 940095, 1044550, 1253460, 1446300, 1566825, 1880190, 2089100, 3133650, 3760380, 4700475, 6267300, 9400950, 18801900]

約数ペア:

[(1, 18801900), (2, 9400950), (3, 6267300), (4, 4700475), (5, 3760380), (6, 3133650), (9, 2089100), (10, 1880190), (12, 1566825), (13, 1446300), (15, 1253460), (18, 1044550), (20, 940095), (25, 752076), (26, 723150), (30, 626730), (36, 522275), (39, 482100), (45, 417820), (50, 376038), (52, 361575), (60, 313365), (65, 289260), (75, 250692), (78, 241050), (90, 208910), (100, 188019), (117, 160700), (130, 144630), (150, 125346), (156, 120525), (180, 104455), (195, 96420), (225, 83564), (234, 80350), (260, 72315), (300, 62673), (325, 57852), (390, 48210), (450, 41782), (468, 40175), (585, 32140), (650, 28926), (780, 24105), (900, 20891), (975, 19284), (1170, 16070), (1300, 14463), (1607, 11700), (1950, 9642), (2340, 8035), (2925, 6428), (3214, 5850), (3900, 4821)]