19412680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 35019320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 89, 95, 133, 140, 152, 164, 178, 190, 205, 266, 280, 287, 328, 356, 380, 410, 445, 532, 574, 623, 665, 712, 760, 779, 820, 890, 1064, 1148, 1246, 1330, 1435, 1558, 1640, 1691, 1780, 2296, 2492, 2660, 2870, 3115, 3116, 3382, 3560, 3649, 3895, 4984, 5320, 5453, 5740, 6230, 6232, 6764, 7298, 7790, 8455, 10906, 11480, 11837, 12460, 13528, 14596, 15580, 16910, 18245, 21812, 23674, 24920, 25543, 27265, 29192, 31160, 33820, 36490, 43624, 47348, 51086, 54530, 59185, 67640, 69331, 72980, 94696, 102172, 109060, 118370, 127715, 138662, 145960, 204344, 218120, 236740, 255430, 277324, 346655, 473480, 485317, 510860, 554648, 693310, 970634, 1021720, 1386620, 1941268, 2426585, 2773240, 3882536, 4853170, 9706340, 19412680]

約数ペア:

[(1, 19412680), (2, 9706340), (4, 4853170), (5, 3882536), (7, 2773240), (8, 2426585), (10, 1941268), (14, 1386620), (19, 1021720), (20, 970634), (28, 693310), (35, 554648), (38, 510860), (40, 485317), (41, 473480), (56, 346655), (70, 277324), (76, 255430), (82, 236740), (89, 218120), (95, 204344), (133, 145960), (140, 138662), (152, 127715), (164, 118370), (178, 109060), (190, 102172), (205, 94696), (266, 72980), (280, 69331), (287, 67640), (328, 59185), (356, 54530), (380, 51086), (410, 47348), (445, 43624), (532, 36490), (574, 33820), (623, 31160), (665, 29192), (712, 27265), (760, 25543), (779, 24920), (820, 23674), (890, 21812), (1064, 18245), (1148, 16910), (1246, 15580), (1330, 14596), (1435, 13528), (1558, 12460), (1640, 11837), (1691, 11480), (1780, 10906), (2296, 8455), (2492, 7790), (2660, 7298), (2870, 6764), (3115, 6232), (3116, 6230), (3382, 5740), (3560, 5453), (3649, 5320), (3895, 4984)]