18866810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 17248390

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 911, 1090, 1822, 2071, 4142, 4555, 9110, 10355, 17309, 20710, 34618, 86545, 99299, 173090, 198598, 496495, 992990, 1886681, 3773362, 9433405, 18866810]

約数ペア:

[(1, 18866810), (2, 9433405), (5, 3773362), (10, 1886681), (19, 992990), (38, 496495), (95, 198598), (109, 173090), (190, 99299), (218, 86545), (545, 34618), (911, 20710), (1090, 17309), (1822, 10355), (2071, 9110), (4142, 4555)]