18025300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 42184800

約数和(自身を除く): 24159500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 179, 190, 212, 265, 358, 380, 475, 530, 716, 895, 950, 1007, 1060, 1325, 1790, 1900, 2014, 2650, 3401, 3580, 4028, 4475, 5035, 5300, 6802, 8950, 9487, 10070, 13604, 17005, 17900, 18974, 20140, 25175, 34010, 37948, 47435, 50350, 68020, 85025, 94870, 100700, 170050, 180253, 189740, 237175, 340100, 360506, 474350, 721012, 901265, 948700, 1802530, 3605060, 4506325, 9012650, 18025300]

約数ペア:

[(1, 18025300), (2, 9012650), (4, 4506325), (5, 3605060), (10, 1802530), (19, 948700), (20, 901265), (25, 721012), (38, 474350), (50, 360506), (53, 340100), (76, 237175), (95, 189740), (100, 180253), (106, 170050), (179, 100700), (190, 94870), (212, 85025), (265, 68020), (358, 50350), (380, 47435), (475, 37948), (530, 34010), (716, 25175), (895, 20140), (950, 18974), (1007, 17900), (1060, 17005), (1325, 13604), (1790, 10070), (1900, 9487), (2014, 8950), (2650, 6802), (3401, 5300), (3580, 5035), (4028, 4475)]