19828904

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 38167200

約数和(自身を除く): 18338296

約数列:

[1, 2, 4, 8, 61, 122, 179, 227, 244, 358, 454, 488, 716, 908, 1432, 1816, 10919, 13847, 21838, 27694, 40633, 43676, 55388, 81266, 87352, 110776, 162532, 325064, 2478613, 4957226, 9914452, 19828904]

約数ペア:

[(1, 19828904), (2, 9914452), (4, 4957226), (8, 2478613), (61, 325064), (122, 162532), (179, 110776), (227, 87352), (244, 81266), (358, 55388), (454, 43676), (488, 40633), (716, 27694), (908, 21838), (1432, 13847), (1816, 10919)]