18112835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 6563005

約数列:

[1, 5, 13, 31, 65, 89, 101, 155, 403, 445, 505, 1157, 1313, 2015, 2759, 3131, 5785, 6565, 8989, 13795, 15655, 35867, 40703, 44945, 116857, 179335, 203515, 278659, 584285, 1393295, 3622567, 18112835]

約数ペア:

[(1, 18112835), (5, 3622567), (13, 1393295), (31, 584285), (65, 278659), (89, 203515), (101, 179335), (155, 116857), (403, 44945), (445, 40703), (505, 35867), (1157, 15655), (1313, 13795), (2015, 8989), (2759, 6565), (3131, 5785)]