40854218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 67584000

約数和(自身を除く): 26729782

約数列:

[1, 2, 19, 31, 38, 62, 79, 158, 439, 589, 878, 1178, 1501, 2449, 3002, 4898, 8341, 13609, 16682, 27218, 34681, 46531, 69362, 93062, 258571, 517142, 658939, 1075111, 1317878, 2150222, 20427109, 40854218]

約数ペア:

[(1, 40854218), (2, 20427109), (19, 2150222), (31, 1317878), (38, 1075111), (62, 658939), (79, 517142), (158, 258571), (439, 93062), (589, 69362), (878, 46531), (1178, 34681), (1501, 27218), (2449, 16682), (3002, 13609), (4898, 8341)]