19634020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2377}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 47940480

約数和(自身を除く): 28306460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2377, 4130, 4754, 8260, 9508, 11885, 16639, 23770, 33278, 47540, 66556, 83195, 140243, 166390, 280486, 332780, 560972, 701215, 981701, 1402430, 1963402, 2804860, 3926804, 4908505, 9817010, 19634020]

約数ペア:

[(1, 19634020), (2, 9817010), (4, 4908505), (5, 3926804), (7, 2804860), (10, 1963402), (14, 1402430), (20, 981701), (28, 701215), (35, 560972), (59, 332780), (70, 280486), (118, 166390), (140, 140243), (236, 83195), (295, 66556), (413, 47540), (590, 33278), (826, 23770), (1180, 16639), (1652, 11885), (2065, 9508), (2377, 8260), (4130, 4754)]