18128335

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 24076800

約数和(自身を除く): 5948465

約数列:

[1, 5, 29, 31, 37, 109, 145, 155, 185, 545, 899, 1073, 1147, 3161, 3379, 4033, 4495, 5365, 5735, 15805, 16895, 20165, 33263, 97991, 116957, 125023, 166315, 489955, 584785, 625115, 3625667, 18128335]

約数ペア:

[(1, 18128335), (5, 3625667), (29, 625115), (31, 584785), (37, 489955), (109, 166315), (145, 125023), (155, 116957), (185, 97991), (545, 33263), (899, 20165), (1073, 16895), (1147, 15805), (3161, 5735), (3379, 5365), (4033, 4495)]