20171917168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{941557}}^1$

素因数の和:941681

約数の個数: 40

約数和(自身を含む): 42498161888

約数和(自身を除く): 22326244720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 10712, 21424, 941557, 1883114, 3766228, 7532456, 12240241, 15064912, 24480482, 48960964, 96980371, 97921928, 193960742, 195843856, 387921484, 775842968, 1260744823, 1551685936, 2521489646, 5042979292, 10085958584, 20171917168]

約数ペア:

[(1, 20171917168), (2, 10085958584), (4, 5042979292), (8, 2521489646), (13, 1551685936), (16, 1260744823), (26, 775842968), (52, 387921484), (103, 195843856), (104, 193960742), (206, 97921928), (208, 96980371), (412, 48960964), (824, 24480482), (1339, 15064912), (1648, 12240241), (2678, 7532456), (5356, 3766228), (10712, 1883114), (21424, 941557)]