18948852

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2173

約数の個数: 72

約数和(自身を含む): 54323360

約数和(自身を除く): 35374508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2131, 2223, 2964, 4262, 4446, 6393, 8524, 8892, 12786, 19179, 25572, 27703, 38358, 40489, 55406, 76716, 80978, 83109, 110812, 121467, 161956, 166218, 242934, 249327, 332436, 364401, 485868, 498654, 526357, 728802, 997308, 1052714, 1457604, 1579071, 2105428, 3158142, 4737213, 6316284, 9474426, 18948852]

約数ペア:

[(1, 18948852), (2, 9474426), (3, 6316284), (4, 4737213), (6, 3158142), (9, 2105428), (12, 1579071), (13, 1457604), (18, 1052714), (19, 997308), (26, 728802), (36, 526357), (38, 498654), (39, 485868), (52, 364401), (57, 332436), (76, 249327), (78, 242934), (114, 166218), (117, 161956), (156, 121467), (171, 110812), (228, 83109), (234, 80978), (247, 76716), (342, 55406), (468, 40489), (494, 38358), (684, 27703), (741, 25572), (988, 19179), (1482, 12786), (2131, 8892), (2223, 8524), (2964, 6393), (4262, 4446)]