19937346

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 29414334

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 143, 209, 247, 286, 418, 429, 494, 627, 741, 858, 1223, 1254, 1482, 2446, 2717, 3669, 5434, 7338, 8151, 13453, 15899, 16302, 23237, 26906, 31798, 40359, 46474, 47697, 69711, 80718, 95394, 139422, 174889, 255607, 302081, 349778, 511214, 524667, 604162, 766821, 906243, 1049334, 1533642, 1812486, 3322891, 6645782, 9968673, 19937346]

約数ペア:

[(1, 19937346), (2, 9968673), (3, 6645782), (6, 3322891), (11, 1812486), (13, 1533642), (19, 1049334), (22, 906243), (26, 766821), (33, 604162), (38, 524667), (39, 511214), (57, 349778), (66, 302081), (78, 255607), (114, 174889), (143, 139422), (209, 95394), (247, 80718), (286, 69711), (418, 47697), (429, 46474), (494, 40359), (627, 31798), (741, 26906), (858, 23237), (1223, 16302), (1254, 15899), (1482, 13453), (2446, 8151), (2717, 7338), (3669, 5434)]