19443480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 48294120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 293, 316, 395, 420, 474, 553, 586, 632, 790, 840, 879, 948, 1106, 1172, 1185, 1465, 1580, 1659, 1758, 1896, 2051, 2212, 2344, 2370, 2765, 2930, 3160, 3318, 3516, 4102, 4395, 4424, 4740, 5530, 5860, 6153, 6636, 7032, 8204, 8295, 8790, 9480, 10255, 11060, 11720, 12306, 13272, 16408, 16590, 17580, 20510, 22120, 23147, 24612, 30765, 33180, 35160, 41020, 46294, 49224, 61530, 66360, 69441, 82040, 92588, 115735, 123060, 138882, 162029, 185176, 231470, 246120, 277764, 324058, 347205, 462940, 486087, 555528, 648116, 694410, 810145, 925880, 972174, 1296232, 1388820, 1620290, 1944348, 2430435, 2777640, 3240580, 3888696, 4860870, 6481160, 9721740, 19443480]

約数ペア:

[(1, 19443480), (2, 9721740), (3, 6481160), (4, 4860870), (5, 3888696), (6, 3240580), (7, 2777640), (8, 2430435), (10, 1944348), (12, 1620290), (14, 1388820), (15, 1296232), (20, 972174), (21, 925880), (24, 810145), (28, 694410), (30, 648116), (35, 555528), (40, 486087), (42, 462940), (56, 347205), (60, 324058), (70, 277764), (79, 246120), (84, 231470), (105, 185176), (120, 162029), (140, 138882), (158, 123060), (168, 115735), (210, 92588), (237, 82040), (280, 69441), (293, 66360), (316, 61530), (395, 49224), (420, 46294), (474, 41020), (553, 35160), (586, 33180), (632, 30765), (790, 24612), (840, 23147), (879, 22120), (948, 20510), (1106, 17580), (1172, 16590), (1185, 16408), (1465, 13272), (1580, 12306), (1659, 11720), (1758, 11060), (1896, 10255), (2051, 9480), (2212, 8790), (2344, 8295), (2370, 8204), (2765, 7032), (2930, 6636), (3160, 6153), (3318, 5860), (3516, 5530), (4102, 4740), (4395, 4424)]