18915936

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:708

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 36967584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 69, 78, 92, 96, 104, 138, 156, 184, 208, 276, 299, 312, 368, 416, 552, 598, 624, 659, 736, 897, 1104, 1196, 1248, 1318, 1794, 1977, 2208, 2392, 2636, 3588, 3954, 4784, 5272, 7176, 7908, 8567, 9568, 10544, 14352, 15157, 15816, 17134, 21088, 25701, 28704, 30314, 31632, 34268, 45471, 51402, 60628, 63264, 68536, 90942, 102804, 121256, 137072, 181884, 197041, 205608, 242512, 274144, 363768, 394082, 411216, 485024, 591123, 727536, 788164, 822432, 1182246, 1455072, 1576328, 2364492, 3152656, 4728984, 6305312, 9457968, 18915936]

約数ペア:

[(1, 18915936), (2, 9457968), (3, 6305312), (4, 4728984), (6, 3152656), (8, 2364492), (12, 1576328), (13, 1455072), (16, 1182246), (23, 822432), (24, 788164), (26, 727536), (32, 591123), (39, 485024), (46, 411216), (48, 394082), (52, 363768), (69, 274144), (78, 242512), (92, 205608), (96, 197041), (104, 181884), (138, 137072), (156, 121256), (184, 102804), (208, 90942), (276, 68536), (299, 63264), (312, 60628), (368, 51402), (416, 45471), (552, 34268), (598, 31632), (624, 30314), (659, 28704), (736, 25701), (897, 21088), (1104, 17134), (1196, 15816), (1248, 15157), (1318, 14352), (1794, 10544), (1977, 9568), (2208, 8567), (2392, 7908), (2636, 7176), (3588, 5272), (3954, 4784)]