19787130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 39967110

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 30, 33, 45, 46, 55, 66, 69, 79, 90, 99, 110, 115, 121, 138, 158, 165, 198, 207, 230, 237, 242, 253, 330, 345, 363, 395, 414, 474, 495, 506, 605, 690, 711, 726, 759, 790, 869, 990, 1035, 1089, 1185, 1210, 1265, 1422, 1518, 1738, 1815, 1817, 2070, 2178, 2277, 2370, 2530, 2607, 2783, 3555, 3630, 3634, 3795, 4345, 4554, 5214, 5445, 5451, 5566, 7110, 7590, 7821, 8349, 8690, 9085, 9559, 10890, 10902, 11385, 13035, 13915, 15642, 16353, 16698, 18170, 19118, 19987, 22770, 25047, 26070, 27255, 27830, 28677, 32706, 39105, 39974, 41745, 47795, 50094, 54510, 57354, 59961, 78210, 81765, 83490, 86031, 95590, 99935, 119922, 125235, 143385, 163530, 172062, 179883, 199870, 219857, 250470, 286770, 299805, 359766, 430155, 439714, 599610, 659571, 860310, 899415, 1099285, 1319142, 1798830, 1978713, 2198570, 3297855, 3957426, 6595710, 9893565, 19787130]

約数ペア:

[(1, 19787130), (2, 9893565), (3, 6595710), (5, 3957426), (6, 3297855), (9, 2198570), (10, 1978713), (11, 1798830), (15, 1319142), (18, 1099285), (22, 899415), (23, 860310), (30, 659571), (33, 599610), (45, 439714), (46, 430155), (55, 359766), (66, 299805), (69, 286770), (79, 250470), (90, 219857), (99, 199870), (110, 179883), (115, 172062), (121, 163530), (138, 143385), (158, 125235), (165, 119922), (198, 99935), (207, 95590), (230, 86031), (237, 83490), (242, 81765), (253, 78210), (330, 59961), (345, 57354), (363, 54510), (395, 50094), (414, 47795), (474, 41745), (495, 39974), (506, 39105), (605, 32706), (690, 28677), (711, 27830), (726, 27255), (759, 26070), (790, 25047), (869, 22770), (990, 19987), (1035, 19118), (1089, 18170), (1185, 16698), (1210, 16353), (1265, 15642), (1422, 13915), (1518, 13035), (1738, 11385), (1815, 10902), (1817, 10890), (2070, 9559), (2178, 9085), (2277, 8690), (2370, 8349), (2530, 7821), (2607, 7590), (2783, 7110), (3555, 5566), (3630, 5451), (3634, 5445), (3795, 5214), (4345, 4554)]