18908460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1527

約数の個数: 72

約数和(自身を含む): 58181760

約数和(自身を除く): 39273300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1439, 1460, 2190, 2628, 2878, 3285, 4317, 4380, 5756, 6570, 7195, 8634, 12951, 13140, 14390, 17268, 21585, 25902, 28780, 43170, 51804, 64755, 86340, 105047, 129510, 210094, 259020, 315141, 420188, 525235, 630282, 945423, 1050470, 1260564, 1575705, 1890846, 2100940, 3151410, 3781692, 4727115, 6302820, 9454230, 18908460]

約数ペア:

[(1, 18908460), (2, 9454230), (3, 6302820), (4, 4727115), (5, 3781692), (6, 3151410), (9, 2100940), (10, 1890846), (12, 1575705), (15, 1260564), (18, 1050470), (20, 945423), (30, 630282), (36, 525235), (45, 420188), (60, 315141), (73, 259020), (90, 210094), (146, 129510), (180, 105047), (219, 86340), (292, 64755), (365, 51804), (438, 43170), (657, 28780), (730, 25902), (876, 21585), (1095, 17268), (1314, 14390), (1439, 13140), (1460, 12951), (2190, 8634), (2628, 7195), (2878, 6570), (3285, 5756), (4317, 4380)]