15951366

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 36386064

約数和(自身を除く): 20434698

約数列:

[1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 557, 666, 774, 1114, 1591, 1671, 3182, 3342, 4773, 5013, 9546, 10026, 14319, 20609, 23951, 28638, 41218, 47902, 61827, 71853, 123654, 143706, 185481, 215559, 370962, 431118, 886187, 1772374, 2658561, 5317122, 7975683, 15951366]

約数ペア:

[(1, 15951366), (2, 7975683), (3, 5317122), (6, 2658561), (9, 1772374), (18, 886187), (37, 431118), (43, 370962), (74, 215559), (86, 185481), (111, 143706), (129, 123654), (222, 71853), (258, 61827), (333, 47902), (387, 41218), (557, 28638), (666, 23951), (774, 20609), (1114, 14319), (1591, 10026), (1671, 9546), (3182, 5013), (3342, 4773)]