18861648

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 53079936

約数和(自身を除く): 34218288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 167, 181, 208, 312, 334, 362, 501, 543, 624, 668, 724, 1002, 1086, 1336, 1448, 2004, 2171, 2172, 2353, 2672, 2896, 4008, 4342, 4344, 4706, 6513, 7059, 8016, 8684, 8688, 9412, 13026, 14118, 17368, 18824, 26052, 28236, 30227, 34736, 37648, 52104, 56472, 60454, 90681, 104208, 112944, 120908, 181362, 241816, 362724, 392951, 483632, 725448, 785902, 1178853, 1450896, 1571804, 2357706, 3143608, 4715412, 6287216, 9430824, 18861648]

約数ペア:

[(1, 18861648), (2, 9430824), (3, 6287216), (4, 4715412), (6, 3143608), (8, 2357706), (12, 1571804), (13, 1450896), (16, 1178853), (24, 785902), (26, 725448), (39, 483632), (48, 392951), (52, 362724), (78, 241816), (104, 181362), (156, 120908), (167, 112944), (181, 104208), (208, 90681), (312, 60454), (334, 56472), (362, 52104), (501, 37648), (543, 34736), (624, 30227), (668, 28236), (724, 26052), (1002, 18824), (1086, 17368), (1336, 14118), (1448, 13026), (2004, 9412), (2171, 8688), (2172, 8684), (2353, 8016), (2672, 7059), (2896, 6513), (4008, 4706), (4342, 4344)]