18885750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 51386400

約数和(自身を除く): 32500650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 149, 150, 169, 195, 250, 298, 325, 338, 375, 390, 447, 507, 650, 745, 750, 845, 894, 975, 1014, 1490, 1625, 1690, 1937, 1950, 2235, 2535, 3250, 3725, 3874, 4225, 4470, 4875, 5070, 5811, 7450, 8450, 9685, 9750, 11175, 11622, 12675, 18625, 19370, 21125, 22350, 25181, 25350, 29055, 37250, 42250, 48425, 50362, 55875, 58110, 63375, 75543, 96850, 111750, 125905, 126750, 145275, 151086, 242125, 251810, 290550, 377715, 484250, 629525, 726375, 755430, 1259050, 1452750, 1888575, 3147625, 3777150, 6295250, 9442875, 18885750]

約数ペア:

[(1, 18885750), (2, 9442875), (3, 6295250), (5, 3777150), (6, 3147625), (10, 1888575), (13, 1452750), (15, 1259050), (25, 755430), (26, 726375), (30, 629525), (39, 484250), (50, 377715), (65, 290550), (75, 251810), (78, 242125), (125, 151086), (130, 145275), (149, 126750), (150, 125905), (169, 111750), (195, 96850), (250, 75543), (298, 63375), (325, 58110), (338, 55875), (375, 50362), (390, 48425), (447, 42250), (507, 37250), (650, 29055), (745, 25350), (750, 25181), (845, 22350), (894, 21125), (975, 19370), (1014, 18625), (1490, 12675), (1625, 11622), (1690, 11175), (1937, 9750), (1950, 9685), (2235, 8450), (2535, 7450), (3250, 5811), (3725, 5070), (3874, 4875), (4225, 4470)]