18790590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6883}}^1$

素因数の和:6913

約数の個数: 64

約数和(自身を含む): 55512576

約数和(自身を除く): 36721986

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 6883, 13766, 20649, 34415, 41298, 48181, 68830, 89479, 96362, 103245, 144543, 178958, 206490, 240905, 268437, 289086, 447395, 481810, 536874, 626353, 722715, 894790, 1252706, 1342185, 1445430, 1879059, 2684370, 3131765, 3758118, 6263530, 9395295, 18790590]

約数ペア:

[(1, 18790590), (2, 9395295), (3, 6263530), (5, 3758118), (6, 3131765), (7, 2684370), (10, 1879059), (13, 1445430), (14, 1342185), (15, 1252706), (21, 894790), (26, 722715), (30, 626353), (35, 536874), (39, 481810), (42, 447395), (65, 289086), (70, 268437), (78, 240905), (91, 206490), (105, 178958), (130, 144543), (182, 103245), (195, 96362), (210, 89479), (273, 68830), (390, 48181), (455, 41298), (546, 34415), (910, 20649), (1365, 13766), (2730, 6883)]