19154408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 44876160

約数和(自身を除く): 25721752

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 83, 91, 104, 166, 182, 317, 332, 364, 581, 634, 664, 728, 1079, 1162, 1268, 2158, 2219, 2324, 2536, 4121, 4316, 4438, 4648, 7553, 8242, 8632, 8876, 15106, 16484, 17752, 26311, 28847, 30212, 32968, 52622, 57694, 60424, 105244, 115388, 184177, 210488, 230776, 342043, 368354, 684086, 736708, 1368172, 1473416, 2394301, 2736344, 4788602, 9577204, 19154408]

約数ペア:

[(1, 19154408), (2, 9577204), (4, 4788602), (7, 2736344), (8, 2394301), (13, 1473416), (14, 1368172), (26, 736708), (28, 684086), (52, 368354), (56, 342043), (83, 230776), (91, 210488), (104, 184177), (166, 115388), (182, 105244), (317, 60424), (332, 57694), (364, 52622), (581, 32968), (634, 30212), (664, 28847), (728, 26311), (1079, 17752), (1162, 16484), (1268, 15106), (2158, 8876), (2219, 8632), (2324, 8242), (2536, 7553), (4121, 4648), (4316, 4438)]