1618052008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{145823}}^1$

素因数の和:145921

約数の個数: 32

約数和(自身を含む): 3237292800

約数和(自身を除く): 1619240792

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 2774, 5548, 11096, 145823, 291646, 583292, 1166584, 2770637, 5541274, 10645079, 11082548, 21290158, 22165096, 42580316, 85160632, 202256501, 404513002, 809026004, 1618052008]

約数ペア:

[(1, 1618052008), (2, 809026004), (4, 404513002), (8, 202256501), (19, 85160632), (38, 42580316), (73, 22165096), (76, 21290158), (146, 11082548), (152, 10645079), (292, 5541274), (584, 2770637), (1387, 1166584), (2774, 583292), (5548, 291646), (11096, 145823)]