18400664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7121}}^1$

素因数の和:7163

約数の個数: 32

約数和(自身を含む): 38458800

約数和(自身を除く): 20058136

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7121, 14242, 28484, 56968, 121057, 135299, 242114, 270598, 484228, 541196, 968456, 1082392, 2300083, 4600166, 9200332, 18400664]

約数ペア:

[(1, 18400664), (2, 9200332), (4, 4600166), (8, 2300083), (17, 1082392), (19, 968456), (34, 541196), (38, 484228), (68, 270598), (76, 242114), (136, 135299), (152, 121057), (323, 56968), (646, 28484), (1292, 14242), (2584, 7121)]