19834854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 44411904

約数和(自身を除く): 24577050

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 631, 806, 1014, 1209, 1262, 1893, 2418, 3786, 5239, 8203, 10478, 15717, 16406, 19561, 24609, 31434, 39122, 49218, 58683, 106639, 117366, 213278, 254293, 319917, 508586, 639834, 762879, 1525758, 3305809, 6611618, 9917427, 19834854]

約数ペア:

[(1, 19834854), (2, 9917427), (3, 6611618), (6, 3305809), (13, 1525758), (26, 762879), (31, 639834), (39, 508586), (62, 319917), (78, 254293), (93, 213278), (169, 117366), (186, 106639), (338, 58683), (403, 49218), (507, 39122), (631, 31434), (806, 24609), (1014, 19561), (1209, 16406), (1262, 15717), (1893, 10478), (2418, 8203), (3786, 5239)]