18898616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 22573384

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 89, 127, 152, 178, 209, 254, 356, 418, 508, 712, 836, 979, 1016, 1397, 1672, 1691, 1958, 2413, 2794, 3382, 3916, 4826, 5588, 6764, 7832, 9652, 11176, 11303, 13528, 18601, 19304, 22606, 26543, 37202, 45212, 53086, 74404, 90424, 106172, 124333, 148808, 212344, 214757, 248666, 429514, 497332, 859028, 994664, 1718056, 2362327, 4724654, 9449308, 18898616]

約数ペア:

[(1, 18898616), (2, 9449308), (4, 4724654), (8, 2362327), (11, 1718056), (19, 994664), (22, 859028), (38, 497332), (44, 429514), (76, 248666), (88, 214757), (89, 212344), (127, 148808), (152, 124333), (178, 106172), (209, 90424), (254, 74404), (356, 53086), (418, 45212), (508, 37202), (712, 26543), (836, 22606), (979, 19304), (1016, 18601), (1397, 13528), (1672, 11303), (1691, 11176), (1958, 9652), (2413, 7832), (2794, 6764), (3382, 5588), (3916, 4826)]