18748384

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 20034416

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 89, 116, 178, 227, 232, 356, 454, 464, 712, 908, 928, 1424, 1816, 2581, 2848, 3632, 5162, 6583, 7264, 10324, 13166, 20203, 20648, 26332, 40406, 41296, 52664, 80812, 82592, 105328, 161624, 210656, 323248, 585887, 646496, 1171774, 2343548, 4687096, 9374192, 18748384]

約数ペア:

[(1, 18748384), (2, 9374192), (4, 4687096), (8, 2343548), (16, 1171774), (29, 646496), (32, 585887), (58, 323248), (89, 210656), (116, 161624), (178, 105328), (227, 82592), (232, 80812), (356, 52664), (454, 41296), (464, 40406), (712, 26332), (908, 20648), (928, 20203), (1424, 13166), (1816, 10324), (2581, 7264), (2848, 6583), (3632, 5162)]