18451758

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 41319936

約数和(自身を除く): 22868178

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 587, 806, 1014, 1174, 1209, 1761, 2418, 3522, 5239, 7631, 10478, 15262, 15717, 18197, 22893, 31434, 36394, 45786, 54591, 99203, 109182, 198406, 236561, 297609, 473122, 595218, 709683, 1419366, 3075293, 6150586, 9225879, 18451758]

約数ペア:

[(1, 18451758), (2, 9225879), (3, 6150586), (6, 3075293), (13, 1419366), (26, 709683), (31, 595218), (39, 473122), (62, 297609), (78, 236561), (93, 198406), (169, 109182), (186, 99203), (338, 54591), (403, 45786), (507, 36394), (587, 31434), (806, 22893), (1014, 18197), (1174, 15717), (1209, 15262), (1761, 10478), (2418, 7631), (3522, 5239)]