18346240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 47976768

約数和(自身を除く): 29630528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1303, 1408, 1760, 2606, 2816, 3520, 5212, 6515, 7040, 10424, 13030, 14080, 14333, 20848, 26060, 28666, 41696, 52120, 57332, 71665, 83392, 104240, 114664, 143330, 166784, 208480, 229328, 286660, 333568, 416960, 458656, 573320, 833920, 917312, 1146640, 1667840, 1834624, 2293280, 3669248, 4586560, 9173120, 18346240]

約数ペア:

[(1, 18346240), (2, 9173120), (4, 4586560), (5, 3669248), (8, 2293280), (10, 1834624), (11, 1667840), (16, 1146640), (20, 917312), (22, 833920), (32, 573320), (40, 458656), (44, 416960), (55, 333568), (64, 286660), (80, 229328), (88, 208480), (110, 166784), (128, 143330), (160, 114664), (176, 104240), (220, 83392), (256, 71665), (320, 57332), (352, 52120), (440, 41696), (640, 28666), (704, 26060), (880, 20848), (1280, 14333), (1303, 14080), (1408, 13030), (1760, 10424), (2606, 7040), (2816, 6515), (3520, 5212)]