15880626

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 36391680

約数和(自身を除く): 20511054

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 414, 431, 534, 801, 862, 1293, 1602, 2047, 2586, 3879, 4094, 6141, 7758, 9913, 12282, 18423, 19826, 29739, 36846, 38359, 59478, 76718, 89217, 115077, 178434, 230154, 345231, 690462, 882257, 1764514, 2646771, 5293542, 7940313, 15880626]

約数ペア:

[(1, 15880626), (2, 7940313), (3, 5293542), (6, 2646771), (9, 1764514), (18, 882257), (23, 690462), (46, 345231), (69, 230154), (89, 178434), (138, 115077), (178, 89217), (207, 76718), (267, 59478), (414, 38359), (431, 36846), (534, 29739), (801, 19826), (862, 18423), (1293, 12282), (1602, 9913), (2047, 7758), (2586, 6141), (3879, 4094)]