18780172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 17991668

約数列:

[1, 2, 4, 17, 31, 34, 59, 62, 68, 118, 124, 151, 236, 302, 527, 604, 1003, 1054, 1829, 2006, 2108, 2567, 3658, 4012, 4681, 5134, 7316, 8909, 9362, 10268, 17818, 18724, 31093, 35636, 62186, 79577, 124372, 151453, 159154, 276179, 302906, 318308, 552358, 605812, 1104716, 4695043, 9390086, 18780172]

約数ペア:

[(1, 18780172), (2, 9390086), (4, 4695043), (17, 1104716), (31, 605812), (34, 552358), (59, 318308), (62, 302906), (68, 276179), (118, 159154), (124, 151453), (151, 124372), (236, 79577), (302, 62186), (527, 35636), (604, 31093), (1003, 18724), (1054, 17818), (1829, 10268), (2006, 9362), (2108, 8909), (2567, 7316), (3658, 5134), (4012, 4681)]