19631948

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 41160000

約数和(自身を除く): 21528052

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 349, 574, 686, 698, 1148, 1372, 1396, 2009, 2443, 4018, 4886, 8036, 9772, 14063, 14309, 17101, 28126, 28618, 34202, 56252, 57236, 68404, 100163, 119707, 200326, 239414, 400652, 478828, 701141, 1402282, 2804564, 4907987, 9815974, 19631948]

約数ペア:

[(1, 19631948), (2, 9815974), (4, 4907987), (7, 2804564), (14, 1402282), (28, 701141), (41, 478828), (49, 400652), (82, 239414), (98, 200326), (164, 119707), (196, 100163), (287, 68404), (343, 57236), (349, 56252), (574, 34202), (686, 28618), (698, 28126), (1148, 17101), (1372, 14309), (1396, 14063), (2009, 9772), (2443, 8036), (4018, 4886)]