18738900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:510

約数の個数: 108

約数和(自身を含む): 60121152

約数和(自身を除く): 41382252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 47, 50, 60, 75, 90, 94, 100, 141, 150, 180, 188, 225, 235, 282, 300, 423, 443, 450, 470, 564, 705, 846, 886, 900, 940, 1175, 1329, 1410, 1692, 1772, 2115, 2215, 2350, 2658, 2820, 3525, 3987, 4230, 4430, 4700, 5316, 6645, 7050, 7974, 8460, 8860, 10575, 11075, 13290, 14100, 15948, 19935, 20821, 21150, 22150, 26580, 33225, 39870, 41642, 42300, 44300, 62463, 66450, 79740, 83284, 99675, 104105, 124926, 132900, 187389, 199350, 208210, 249852, 312315, 374778, 398700, 416420, 520525, 624630, 749556, 936945, 1041050, 1249260, 1561575, 1873890, 2082100, 3123150, 3747780, 4684725, 6246300, 9369450, 18738900]

約数ペア:

[(1, 18738900), (2, 9369450), (3, 6246300), (4, 4684725), (5, 3747780), (6, 3123150), (9, 2082100), (10, 1873890), (12, 1561575), (15, 1249260), (18, 1041050), (20, 936945), (25, 749556), (30, 624630), (36, 520525), (45, 416420), (47, 398700), (50, 374778), (60, 312315), (75, 249852), (90, 208210), (94, 199350), (100, 187389), (141, 132900), (150, 124926), (180, 104105), (188, 99675), (225, 83284), (235, 79740), (282, 66450), (300, 62463), (423, 44300), (443, 42300), (450, 41642), (470, 39870), (564, 33225), (705, 26580), (846, 22150), (886, 21150), (900, 20821), (940, 19935), (1175, 15948), (1329, 14100), (1410, 13290), (1692, 11075), (1772, 10575), (2115, 8860), (2215, 8460), (2350, 7974), (2658, 7050), (2820, 6645), (3525, 5316), (3987, 4700), (4230, 4430)]