19180425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 35212032

約数和(自身を除く): 16031607

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 67, 75, 165, 201, 275, 335, 347, 737, 825, 1005, 1041, 1675, 1735, 2211, 3685, 3817, 5025, 5205, 8675, 11055, 11451, 18425, 19085, 23249, 26025, 55275, 57255, 69747, 95425, 116245, 255739, 286275, 348735, 581225, 767217, 1278695, 1743675, 3836085, 6393475, 19180425]

約数ペア:

[(1, 19180425), (3, 6393475), (5, 3836085), (11, 1743675), (15, 1278695), (25, 767217), (33, 581225), (55, 348735), (67, 286275), (75, 255739), (165, 116245), (201, 95425), (275, 69747), (335, 57255), (347, 55275), (737, 26025), (825, 23249), (1005, 19085), (1041, 18425), (1675, 11451), (1735, 11055), (2211, 8675), (3685, 5205), (3817, 5025)]