18866250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 160

約数和(自身を含む): 57731520

約数和(自身を除く): 38865270

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 43, 45, 50, 54, 65, 75, 78, 86, 90, 117, 125, 129, 130, 135, 150, 195, 215, 225, 234, 250, 258, 270, 325, 351, 375, 387, 390, 430, 450, 559, 585, 625, 645, 650, 675, 702, 750, 774, 975, 1075, 1118, 1125, 1161, 1170, 1250, 1290, 1350, 1625, 1677, 1755, 1875, 1935, 1950, 2150, 2250, 2322, 2795, 2925, 3225, 3250, 3354, 3375, 3510, 3750, 3870, 4875, 5031, 5375, 5590, 5625, 5805, 5850, 6450, 6750, 8125, 8385, 8775, 9675, 9750, 10062, 10750, 11250, 11610, 13975, 14625, 15093, 16125, 16250, 16770, 16875, 17550, 19350, 24375, 25155, 26875, 27950, 29025, 29250, 30186, 32250, 33750, 41925, 43875, 48375, 48750, 50310, 53750, 58050, 69875, 73125, 75465, 80625, 83850, 87750, 96750, 125775, 139750, 145125, 146250, 150930, 161250, 209625, 219375, 241875, 251550, 290250, 349375, 377325, 419250, 438750, 483750, 628875, 698750, 725625, 754650, 1048125, 1257750, 1451250, 1886625, 2096250, 3144375, 3773250, 6288750, 9433125, 18866250]

約数ペア:

[(1, 18866250), (2, 9433125), (3, 6288750), (5, 3773250), (6, 3144375), (9, 2096250), (10, 1886625), (13, 1451250), (15, 1257750), (18, 1048125), (25, 754650), (26, 725625), (27, 698750), (30, 628875), (39, 483750), (43, 438750), (45, 419250), (50, 377325), (54, 349375), (65, 290250), (75, 251550), (78, 241875), (86, 219375), (90, 209625), (117, 161250), (125, 150930), (129, 146250), (130, 145125), (135, 139750), (150, 125775), (195, 96750), (215, 87750), (225, 83850), (234, 80625), (250, 75465), (258, 73125), (270, 69875), (325, 58050), (351, 53750), (375, 50310), (387, 48750), (390, 48375), (430, 43875), (450, 41925), (559, 33750), (585, 32250), (625, 30186), (645, 29250), (650, 29025), (675, 27950), (702, 26875), (750, 25155), (774, 24375), (975, 19350), (1075, 17550), (1118, 16875), (1125, 16770), (1161, 16250), (1170, 16125), (1250, 15093), (1290, 14625), (1350, 13975), (1625, 11610), (1677, 11250), (1755, 10750), (1875, 10062), (1935, 9750), (1950, 9675), (2150, 8775), (2250, 8385), (2322, 8125), (2795, 6750), (2925, 6450), (3225, 5850), (3250, 5805), (3354, 5625), (3375, 5590), (3510, 5375), (3750, 5031), (3870, 4875)]