18416015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 25090560

約数和(自身を除く): 6674545

約数列:

[1, 5, 17, 29, 31, 85, 145, 155, 241, 493, 527, 899, 1205, 2465, 2635, 4097, 4495, 6989, 7471, 15283, 20485, 34945, 37355, 76415, 118813, 127007, 216659, 594065, 635035, 1083295, 3683203, 18416015]

約数ペア:

[(1, 18416015), (5, 3683203), (17, 1083295), (29, 635035), (31, 594065), (85, 216659), (145, 127007), (155, 118813), (241, 76415), (493, 37355), (527, 34945), (899, 20485), (1205, 15283), (2465, 7471), (2635, 6989), (4097, 4495)]