19542776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1621}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 40290480

約数和(自身を除く): 20747704

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 1621, 3014, 3242, 6028, 6484, 12056, 12968, 17831, 35662, 71324, 142648, 222077, 444154, 888308, 1776616, 2442847, 4885694, 9771388, 19542776]

約数ペア:

[(1, 19542776), (2, 9771388), (4, 4885694), (8, 2442847), (11, 1776616), (22, 888308), (44, 444154), (88, 222077), (137, 142648), (274, 71324), (548, 35662), (1096, 17831), (1507, 12968), (1621, 12056), (3014, 6484), (3242, 6028)]