19626620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 48686400

約数和(自身を除く): 29059780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 137, 145, 190, 247, 260, 274, 290, 377, 380, 494, 548, 551, 580, 685, 754, 988, 1102, 1235, 1370, 1508, 1781, 1885, 2204, 2470, 2603, 2740, 2755, 3562, 3770, 3973, 4940, 5206, 5510, 7124, 7163, 7540, 7946, 8905, 10412, 11020, 13015, 14326, 15892, 17810, 19865, 26030, 28652, 33839, 35620, 35815, 39730, 51649, 52060, 67678, 71630, 75487, 79460, 103298, 135356, 143260, 150974, 169195, 206596, 258245, 301948, 338390, 377435, 516490, 676780, 754870, 981331, 1032980, 1509740, 1962662, 3925324, 4906655, 9813310, 19626620]

約数ペア:

[(1, 19626620), (2, 9813310), (4, 4906655), (5, 3925324), (10, 1962662), (13, 1509740), (19, 1032980), (20, 981331), (26, 754870), (29, 676780), (38, 516490), (52, 377435), (58, 338390), (65, 301948), (76, 258245), (95, 206596), (116, 169195), (130, 150974), (137, 143260), (145, 135356), (190, 103298), (247, 79460), (260, 75487), (274, 71630), (290, 67678), (377, 52060), (380, 51649), (494, 39730), (548, 35815), (551, 35620), (580, 33839), (685, 28652), (754, 26030), (988, 19865), (1102, 17810), (1235, 15892), (1370, 14326), (1508, 13015), (1781, 11020), (1885, 10412), (2204, 8905), (2470, 7946), (2603, 7540), (2740, 7163), (2755, 7124), (3562, 5510), (3770, 5206), (3973, 4940)]