18572580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7937}}^1$

素因数の和:7965

約数の個数: 72

約数和(自身を含む): 60678072

約数和(自身を除く): 42105492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7937, 15874, 23811, 31748, 39685, 47622, 71433, 79370, 95244, 103181, 119055, 142866, 158740, 206362, 238110, 285732, 309543, 357165, 412724, 476220, 515905, 619086, 714330, 928629, 1031810, 1238172, 1428660, 1547715, 1857258, 2063620, 3095430, 3714516, 4643145, 6190860, 9286290, 18572580]

約数ペア:

[(1, 18572580), (2, 9286290), (3, 6190860), (4, 4643145), (5, 3714516), (6, 3095430), (9, 2063620), (10, 1857258), (12, 1547715), (13, 1428660), (15, 1238172), (18, 1031810), (20, 928629), (26, 714330), (30, 619086), (36, 515905), (39, 476220), (45, 412724), (52, 357165), (60, 309543), (65, 285732), (78, 238110), (90, 206362), (117, 158740), (130, 142866), (156, 119055), (180, 103181), (195, 95244), (234, 79370), (260, 71433), (390, 47622), (468, 39685), (585, 31748), (780, 23811), (1170, 15874), (2340, 7937)]