19413296

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 45830400

約数和(自身を除く): 26417104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 43, 56, 58, 86, 112, 116, 139, 172, 203, 232, 278, 301, 344, 406, 464, 556, 602, 688, 812, 973, 1112, 1204, 1247, 1624, 1946, 2224, 2408, 2494, 3248, 3892, 4031, 4816, 4988, 5977, 7784, 8062, 8729, 9976, 11954, 15568, 16124, 17458, 19952, 23908, 28217, 32248, 34916, 41839, 47816, 56434, 64496, 69832, 83678, 95632, 112868, 139664, 167356, 173333, 225736, 334712, 346666, 451472, 669424, 693332, 1213331, 1386664, 2426662, 2773328, 4853324, 9706648, 19413296]

約数ペア:

[(1, 19413296), (2, 9706648), (4, 4853324), (7, 2773328), (8, 2426662), (14, 1386664), (16, 1213331), (28, 693332), (29, 669424), (43, 451472), (56, 346666), (58, 334712), (86, 225736), (112, 173333), (116, 167356), (139, 139664), (172, 112868), (203, 95632), (232, 83678), (278, 69832), (301, 64496), (344, 56434), (406, 47816), (464, 41839), (556, 34916), (602, 32248), (688, 28217), (812, 23908), (973, 19952), (1112, 17458), (1204, 16124), (1247, 15568), (1624, 11954), (1946, 9976), (2224, 8729), (2408, 8062), (2494, 7784), (3248, 5977), (3892, 4988), (4031, 4816)]