18351500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^2\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 42911232

約数和(自身を除く): 24559732

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 127, 170, 250, 254, 289, 340, 425, 500, 508, 578, 635, 850, 1156, 1270, 1445, 1700, 2125, 2159, 2540, 2890, 3175, 4250, 4318, 5780, 6350, 7225, 8500, 8636, 10795, 12700, 14450, 15875, 21590, 28900, 31750, 36125, 36703, 43180, 53975, 63500, 72250, 73406, 107950, 144500, 146812, 183515, 215900, 269875, 367030, 539750, 734060, 917575, 1079500, 1835150, 3670300, 4587875, 9175750, 18351500]

約数ペア:

[(1, 18351500), (2, 9175750), (4, 4587875), (5, 3670300), (10, 1835150), (17, 1079500), (20, 917575), (25, 734060), (34, 539750), (50, 367030), (68, 269875), (85, 215900), (100, 183515), (125, 146812), (127, 144500), (170, 107950), (250, 73406), (254, 72250), (289, 63500), (340, 53975), (425, 43180), (500, 36703), (508, 36125), (578, 31750), (635, 28900), (850, 21590), (1156, 15875), (1270, 14450), (1445, 12700), (1700, 10795), (2125, 8636), (2159, 8500), (2540, 7225), (2890, 6350), (3175, 5780), (4250, 4318)]