18437250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 51996672

約数和(自身を除く): 33559422

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 61, 62, 65, 75, 78, 93, 122, 125, 130, 150, 155, 183, 186, 195, 250, 305, 310, 325, 366, 375, 390, 403, 465, 610, 650, 750, 775, 793, 806, 915, 930, 975, 1209, 1525, 1550, 1586, 1625, 1830, 1891, 1950, 2015, 2325, 2379, 2418, 3050, 3250, 3782, 3875, 3965, 4030, 4575, 4650, 4758, 4875, 5673, 6045, 7625, 7750, 7930, 9150, 9455, 9750, 10075, 11346, 11625, 11895, 12090, 15250, 18910, 19825, 20150, 22875, 23250, 23790, 24583, 28365, 30225, 39650, 45750, 47275, 49166, 50375, 56730, 59475, 60450, 73749, 94550, 99125, 100750, 118950, 122915, 141825, 147498, 151125, 198250, 236375, 245830, 283650, 297375, 302250, 368745, 472750, 594750, 614575, 709125, 737490, 1229150, 1418250, 1843725, 3072875, 3687450, 6145750, 9218625, 18437250]

約数ペア:

[(1, 18437250), (2, 9218625), (3, 6145750), (5, 3687450), (6, 3072875), (10, 1843725), (13, 1418250), (15, 1229150), (25, 737490), (26, 709125), (30, 614575), (31, 594750), (39, 472750), (50, 368745), (61, 302250), (62, 297375), (65, 283650), (75, 245830), (78, 236375), (93, 198250), (122, 151125), (125, 147498), (130, 141825), (150, 122915), (155, 118950), (183, 100750), (186, 99125), (195, 94550), (250, 73749), (305, 60450), (310, 59475), (325, 56730), (366, 50375), (375, 49166), (390, 47275), (403, 45750), (465, 39650), (610, 30225), (650, 28365), (750, 24583), (775, 23790), (793, 23250), (806, 22875), (915, 20150), (930, 19825), (975, 18910), (1209, 15250), (1525, 12090), (1550, 11895), (1586, 11625), (1625, 11346), (1830, 10075), (1891, 9750), (1950, 9455), (2015, 9150), (2325, 7930), (2379, 7750), (2418, 7625), (3050, 6045), (3250, 5673), (3782, 4875), (3875, 4758), (3965, 4650), (4030, 4575)]