18634980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3413}}^1$

素因数の和:3445

約数の個数: 96

約数和(自身を含む): 64237824

約数和(自身を除く): 45602844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3413, 5460, 6826, 10239, 13652, 17065, 20478, 23891, 34130, 40956, 44369, 47782, 51195, 68260, 71673, 88738, 95564, 102390, 119455, 133107, 143346, 177476, 204780, 221845, 238910, 266214, 286692, 310583, 358365, 443690, 477820, 532428, 621166, 665535, 716730, 887380, 931749, 1242332, 1331070, 1433460, 1552915, 1863498, 2662140, 3105830, 3726996, 4658745, 6211660, 9317490, 18634980]

約数ペア:

[(1, 18634980), (2, 9317490), (3, 6211660), (4, 4658745), (5, 3726996), (6, 3105830), (7, 2662140), (10, 1863498), (12, 1552915), (13, 1433460), (14, 1331070), (15, 1242332), (20, 931749), (21, 887380), (26, 716730), (28, 665535), (30, 621166), (35, 532428), (39, 477820), (42, 443690), (52, 358365), (60, 310583), (65, 286692), (70, 266214), (78, 238910), (84, 221845), (91, 204780), (105, 177476), (130, 143346), (140, 133107), (156, 119455), (182, 102390), (195, 95564), (210, 88738), (260, 71673), (273, 68260), (364, 51195), (390, 47782), (420, 44369), (455, 40956), (546, 34130), (780, 23891), (910, 20478), (1092, 17065), (1365, 13652), (1820, 10239), (2730, 6826), (3413, 5460)]