18778458

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 38419200

約数和(自身を除く): 19640742

約数列:

[1, 2, 3, 6, 79, 158, 173, 229, 237, 346, 458, 474, 519, 687, 1038, 1374, 13667, 18091, 27334, 36182, 39617, 41001, 54273, 79234, 82002, 108546, 118851, 237702, 3129743, 6259486, 9389229, 18778458]

約数ペア:

[(1, 18778458), (2, 9389229), (3, 6259486), (6, 3129743), (79, 237702), (158, 118851), (173, 108546), (229, 82002), (237, 79234), (346, 54273), (458, 41001), (474, 39617), (519, 36182), (687, 27334), (1038, 18091), (1374, 13667)]