18850348

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 40219200

約数和(自身を除く): 21368852

約数列:

[1, 2, 4, 11, 17, 22, 29, 34, 44, 58, 68, 79, 116, 121, 158, 187, 242, 316, 319, 374, 484, 493, 638, 748, 869, 986, 1276, 1343, 1738, 1972, 2057, 2291, 2686, 3476, 3509, 4114, 4582, 5372, 5423, 7018, 8228, 9164, 9559, 10846, 14036, 14773, 19118, 21692, 25201, 29546, 38236, 38947, 50402, 59092, 59653, 77894, 100804, 119306, 155788, 162503, 238612, 277211, 325006, 428417, 554422, 650012, 856834, 1108844, 1713668, 4712587, 9425174, 18850348]

約数ペア:

[(1, 18850348), (2, 9425174), (4, 4712587), (11, 1713668), (17, 1108844), (22, 856834), (29, 650012), (34, 554422), (44, 428417), (58, 325006), (68, 277211), (79, 238612), (116, 162503), (121, 155788), (158, 119306), (187, 100804), (242, 77894), (316, 59653), (319, 59092), (374, 50402), (484, 38947), (493, 38236), (638, 29546), (748, 25201), (869, 21692), (986, 19118), (1276, 14773), (1343, 14036), (1738, 10846), (1972, 9559), (2057, 9164), (2291, 8228), (2686, 7018), (3476, 5423), (3509, 5372), (4114, 4582)]