18901584

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 120

約数和(自身を含む): 59579520

約数和(自身を除く): 40677936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 439, 468, 552, 598, 624, 828, 878, 897, 936, 1104, 1196, 1317, 1656, 1756, 1794, 1872, 2392, 2634, 2691, 3312, 3512, 3588, 3951, 4784, 5268, 5382, 5707, 7024, 7176, 7902, 10097, 10536, 10764, 11414, 14352, 15804, 17121, 20194, 21072, 21528, 22828, 30291, 31608, 34242, 40388, 43056, 45656, 51363, 60582, 63216, 68484, 80776, 90873, 91312, 102726, 121164, 131261, 136968, 161552, 181746, 205452, 242328, 262522, 273936, 363492, 393783, 410904, 484656, 525044, 726984, 787566, 821808, 1050088, 1181349, 1453968, 1575132, 2100176, 2362698, 3150264, 4725396, 6300528, 9450792, 18901584]

約数ペア:

[(1, 18901584), (2, 9450792), (3, 6300528), (4, 4725396), (6, 3150264), (8, 2362698), (9, 2100176), (12, 1575132), (13, 1453968), (16, 1181349), (18, 1050088), (23, 821808), (24, 787566), (26, 726984), (36, 525044), (39, 484656), (46, 410904), (48, 393783), (52, 363492), (69, 273936), (72, 262522), (78, 242328), (92, 205452), (104, 181746), (117, 161552), (138, 136968), (144, 131261), (156, 121164), (184, 102726), (207, 91312), (208, 90873), (234, 80776), (276, 68484), (299, 63216), (312, 60582), (368, 51363), (414, 45656), (439, 43056), (468, 40388), (552, 34242), (598, 31608), (624, 30291), (828, 22828), (878, 21528), (897, 21072), (936, 20194), (1104, 17121), (1196, 15804), (1317, 14352), (1656, 11414), (1756, 10764), (1794, 10536), (1872, 10097), (2392, 7902), (2634, 7176), (2691, 7024), (3312, 5707), (3512, 5382), (3588, 5268), (3951, 4784)]