18042180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23131}}^1$

素因数の和:23156

約数の個数: 48

約数和(自身を含む): 54406464

約数和(自身を除く): 36364284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23131, 46262, 69393, 92524, 115655, 138786, 231310, 277572, 300703, 346965, 462620, 601406, 693930, 902109, 1202812, 1387860, 1503515, 1804218, 3007030, 3608436, 4510545, 6014060, 9021090, 18042180]

約数ペア:

[(1, 18042180), (2, 9021090), (3, 6014060), (4, 4510545), (5, 3608436), (6, 3007030), (10, 1804218), (12, 1503515), (13, 1387860), (15, 1202812), (20, 902109), (26, 693930), (30, 601406), (39, 462620), (52, 346965), (60, 300703), (65, 277572), (78, 231310), (130, 138786), (156, 115655), (195, 92524), (260, 69393), (390, 46262), (780, 23131)]