18988944

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{30431}}^1$

素因数の和:30455

約数の個数: 40

約数和(自身を含む): 52829952

約数和(自身を除く): 33841008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 30431, 60862, 91293, 121724, 182586, 243448, 365172, 395603, 486896, 730344, 791206, 1186809, 1460688, 1582412, 2373618, 3164824, 4747236, 6329648, 9494472, 18988944]

約数ペア:

[(1, 18988944), (2, 9494472), (3, 6329648), (4, 4747236), (6, 3164824), (8, 2373618), (12, 1582412), (13, 1460688), (16, 1186809), (24, 791206), (26, 730344), (39, 486896), (48, 395603), (52, 365172), (78, 243448), (104, 182586), (156, 121724), (208, 91293), (312, 60862), (624, 30431)]