19117648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5717}}^1$

素因数の和:5755

約数の個数: 40

約数和(自身を含む): 42541920

約数和(自身を除く): 23424272

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5717, 11434, 22868, 45736, 62887, 91472, 108623, 125774, 217246, 251548, 434492, 503096, 868984, 1006192, 1194853, 1737968, 2389706, 4779412, 9558824, 19117648]

約数ペア:

[(1, 19117648), (2, 9558824), (4, 4779412), (8, 2389706), (11, 1737968), (16, 1194853), (19, 1006192), (22, 868984), (38, 503096), (44, 434492), (76, 251548), (88, 217246), (152, 125774), (176, 108623), (209, 91472), (304, 62887), (418, 45736), (836, 22868), (1672, 11434), (3344, 5717)]