18116648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 39744000

約数和(自身を除く): 21627352

約数列:

[1, 2, 4, 8, 11, 22, 29, 31, 44, 58, 62, 88, 116, 124, 229, 232, 248, 319, 341, 458, 638, 682, 899, 916, 1276, 1364, 1798, 1832, 2519, 2552, 2728, 3596, 5038, 6641, 7099, 7192, 9889, 10076, 13282, 14198, 19778, 20152, 26564, 28396, 39556, 53128, 56792, 73051, 78089, 79112, 146102, 156178, 205871, 292204, 312356, 411742, 584408, 624712, 823484, 1646968, 2264581, 4529162, 9058324, 18116648]

約数ペア:

[(1, 18116648), (2, 9058324), (4, 4529162), (8, 2264581), (11, 1646968), (22, 823484), (29, 624712), (31, 584408), (44, 411742), (58, 312356), (62, 292204), (88, 205871), (116, 156178), (124, 146102), (229, 79112), (232, 78089), (248, 73051), (319, 56792), (341, 53128), (458, 39556), (638, 28396), (682, 26564), (899, 20152), (916, 19778), (1276, 14198), (1364, 13282), (1798, 10076), (1832, 9889), (2519, 7192), (2552, 7099), (2728, 6641), (3596, 5038)]