17838639

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 33126912

約数和(自身を除く): 15288273

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 947, 1449, 2093, 2691, 2841, 6279, 6629, 8523, 12311, 18837, 19887, 21781, 36933, 59661, 65343, 86177, 110799, 152467, 196029, 258531, 283153, 457401, 775593, 849459, 1372203, 1982071, 2548377, 5946213, 17838639]

約数ペア:

[(1, 17838639), (3, 5946213), (7, 2548377), (9, 1982071), (13, 1372203), (21, 849459), (23, 775593), (39, 457401), (63, 283153), (69, 258531), (91, 196029), (117, 152467), (161, 110799), (207, 86177), (273, 65343), (299, 59661), (483, 36933), (819, 21781), (897, 19887), (947, 18837), (1449, 12311), (2093, 8523), (2691, 6629), (2841, 6279)]