18891834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 42303744

約数和(自身を除く): 23411910

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 601, 806, 1014, 1202, 1209, 1803, 2418, 3606, 5239, 7813, 10478, 15626, 15717, 18631, 23439, 31434, 37262, 46878, 55893, 101569, 111786, 203138, 242203, 304707, 484406, 609414, 726609, 1453218, 3148639, 6297278, 9445917, 18891834]

約数ペア:

[(1, 18891834), (2, 9445917), (3, 6297278), (6, 3148639), (13, 1453218), (26, 726609), (31, 609414), (39, 484406), (62, 304707), (78, 242203), (93, 203138), (169, 111786), (186, 101569), (338, 55893), (403, 46878), (507, 37262), (601, 31434), (806, 23439), (1014, 18631), (1202, 15717), (1209, 15626), (1803, 10478), (2418, 7813), (3606, 5239)]