17993836

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 20310164

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 227, 266, 298, 454, 532, 596, 908, 1043, 1589, 2086, 2831, 3178, 4172, 4313, 5662, 6356, 8626, 11324, 17252, 19817, 30191, 33823, 39634, 60382, 67646, 79268, 120764, 135292, 236761, 473522, 642637, 947044, 1285274, 2570548, 4498459, 8996918, 17993836]

約数ペア:

[(1, 17993836), (2, 8996918), (4, 4498459), (7, 2570548), (14, 1285274), (19, 947044), (28, 642637), (38, 473522), (76, 236761), (133, 135292), (149, 120764), (227, 79268), (266, 67646), (298, 60382), (454, 39634), (532, 33823), (596, 30191), (908, 19817), (1043, 17252), (1589, 11324), (2086, 8626), (2831, 6356), (3178, 5662), (4172, 4313)]