19998583010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{347983}}^1$

素因数の和:348818

約数の個数: 32

約数和(自身を含む): 41190170112

約数和(自身を除く): 21191587102

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 821, 1642, 4105, 5747, 8210, 11494, 28735, 57470, 347983, 695966, 1739915, 2435881, 3479830, 4871762, 12179405, 24358810, 285694043, 571388086, 1428470215, 1999858301, 2856940430, 3999716602, 9999291505, 19998583010]

約数ペア:

[(1, 19998583010), (2, 9999291505), (5, 3999716602), (7, 2856940430), (10, 1999858301), (14, 1428470215), (35, 571388086), (70, 285694043), (821, 24358810), (1642, 12179405), (4105, 4871762), (5747, 3479830), (8210, 2435881), (11494, 1739915), (28735, 695966), (57470, 347983)]