18248455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 24284160

約数和(自身を除く): 6035705

約数列:

[1, 5, 19, 47, 61, 67, 95, 235, 305, 335, 893, 1159, 1273, 2867, 3149, 4087, 4465, 5795, 6365, 14335, 15745, 20435, 54473, 59831, 77653, 192089, 272365, 299155, 388265, 960445, 3649691, 18248455]

約数ペア:

[(1, 18248455), (5, 3649691), (19, 960445), (47, 388265), (61, 299155), (67, 272365), (95, 192089), (235, 77653), (305, 59831), (335, 54473), (893, 20435), (1159, 15745), (1273, 14335), (2867, 6365), (3149, 5795), (4087, 4465)]