19171360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{709}}^1$

素因数の和:750

約数の個数: 72

約数和(自身を含む): 49113540

約数和(自身を除く): 29942180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 709, 845, 1040, 1352, 1418, 1690, 2080, 2704, 2836, 3380, 3545, 5408, 5672, 6760, 7090, 9217, 11344, 13520, 14180, 18434, 22688, 27040, 28360, 36868, 46085, 56720, 73736, 92170, 113440, 119821, 147472, 184340, 239642, 294944, 368680, 479284, 599105, 737360, 958568, 1198210, 1474720, 1917136, 2396420, 3834272, 4792840, 9585680, 19171360]

約数ペア:

[(1, 19171360), (2, 9585680), (4, 4792840), (5, 3834272), (8, 2396420), (10, 1917136), (13, 1474720), (16, 1198210), (20, 958568), (26, 737360), (32, 599105), (40, 479284), (52, 368680), (65, 294944), (80, 239642), (104, 184340), (130, 147472), (160, 119821), (169, 113440), (208, 92170), (260, 73736), (338, 56720), (416, 46085), (520, 36868), (676, 28360), (709, 27040), (845, 22688), (1040, 18434), (1352, 14180), (1418, 13520), (1690, 11344), (2080, 9217), (2704, 7090), (2836, 6760), (3380, 5672), (3545, 5408)]