19553638

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 34863696

約数和(自身を除く): 15310058

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 83, 166, 169, 221, 338, 442, 533, 697, 1066, 1079, 1394, 1411, 2158, 2822, 2873, 3403, 5746, 6806, 6929, 9061, 13858, 14027, 18122, 18343, 28054, 36686, 44239, 57851, 88478, 115702, 117793, 235586, 238459, 476918, 575107, 752063, 1150214, 1504126, 9776819, 19553638]

約数ペア:

[(1, 19553638), (2, 9776819), (13, 1504126), (17, 1150214), (26, 752063), (34, 575107), (41, 476918), (82, 238459), (83, 235586), (166, 117793), (169, 115702), (221, 88478), (338, 57851), (442, 44239), (533, 36686), (697, 28054), (1066, 18343), (1079, 18122), (1394, 14027), (1411, 13858), (2158, 9061), (2822, 6929), (2873, 6806), (3403, 5746)]