19461808

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 38836800

約数和(自身を除く): 19374992

約数列:

[1, 2, 4, 8, 16, 79, 89, 158, 173, 178, 316, 346, 356, 632, 692, 712, 1264, 1384, 1424, 2768, 7031, 13667, 14062, 15397, 27334, 28124, 30794, 54668, 56248, 61588, 109336, 112496, 123176, 218672, 246352, 1216363, 2432726, 4865452, 9730904, 19461808]

約数ペア:

[(1, 19461808), (2, 9730904), (4, 4865452), (8, 2432726), (16, 1216363), (79, 246352), (89, 218672), (158, 123176), (173, 112496), (178, 109336), (316, 61588), (346, 56248), (356, 54668), (632, 30794), (692, 28124), (712, 27334), (1264, 15397), (1384, 14062), (1424, 13667), (2768, 7031)]