18269488

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3163}}^1$

素因数の和:3209

約数の個数: 30

約数和(自身を含む): 37370004

約数和(自身を除く): 19100516

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3163, 5776, 6326, 12652, 25304, 50608, 60097, 120194, 240388, 480776, 961552, 1141843, 2283686, 4567372, 9134744, 18269488]

約数ペア:

[(1, 18269488), (2, 9134744), (4, 4567372), (8, 2283686), (16, 1141843), (19, 961552), (38, 480776), (76, 240388), (152, 120194), (304, 60097), (361, 50608), (722, 25304), (1444, 12652), (2888, 6326), (3163, 5776)]