18541900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 45934560

約数和(自身を除く): 27392660

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 839, 850, 884, 1105, 1300, 1678, 1700, 2210, 3356, 4195, 4420, 5525, 8390, 10907, 11050, 14263, 16780, 20975, 21814, 22100, 28526, 41950, 43628, 54535, 57052, 71315, 83900, 109070, 142630, 185419, 218140, 272675, 285260, 356575, 370838, 545350, 713150, 741676, 927095, 1090700, 1426300, 1854190, 3708380, 4635475, 9270950, 18541900]

約数ペア:

[(1, 18541900), (2, 9270950), (4, 4635475), (5, 3708380), (10, 1854190), (13, 1426300), (17, 1090700), (20, 927095), (25, 741676), (26, 713150), (34, 545350), (50, 370838), (52, 356575), (65, 285260), (68, 272675), (85, 218140), (100, 185419), (130, 142630), (170, 109070), (221, 83900), (260, 71315), (325, 57052), (340, 54535), (425, 43628), (442, 41950), (650, 28526), (839, 22100), (850, 21814), (884, 20975), (1105, 16780), (1300, 14263), (1678, 11050), (1700, 10907), (2210, 8390), (3356, 5525), (4195, 4420)]