18403180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22965140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 479, 565, 958, 1130, 1916, 1921, 2260, 2395, 3842, 4790, 7684, 8143, 9580, 9605, 16286, 19210, 32572, 38420, 40715, 54127, 81430, 108254, 162860, 216508, 270635, 541270, 920159, 1082540, 1840318, 3680636, 4600795, 9201590, 18403180]

約数ペア:

[(1, 18403180), (2, 9201590), (4, 4600795), (5, 3680636), (10, 1840318), (17, 1082540), (20, 920159), (34, 541270), (68, 270635), (85, 216508), (113, 162860), (170, 108254), (226, 81430), (340, 54127), (452, 40715), (479, 38420), (565, 32572), (958, 19210), (1130, 16286), (1916, 9605), (1921, 9580), (2260, 8143), (2395, 7684), (3842, 4790)]