18008504

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 35758800

約数和(自身を除く): 17750296

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 257, 461, 514, 922, 1028, 1844, 2056, 3688, 4883, 8759, 9766, 17518, 19532, 35036, 39064, 70072, 118477, 236954, 473908, 947816, 2251063, 4502126, 9004252, 18008504]

約数ペア:

[(1, 18008504), (2, 9004252), (4, 4502126), (8, 2251063), (19, 947816), (38, 473908), (76, 236954), (152, 118477), (257, 70072), (461, 39064), (514, 35036), (922, 19532), (1028, 17518), (1844, 9766), (2056, 8759), (3688, 4883)]