18998252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 44782080

約数和(自身を除く): 25783828

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 41, 52, 67, 76, 82, 91, 133, 134, 164, 182, 247, 266, 268, 287, 364, 469, 494, 532, 533, 574, 779, 871, 938, 988, 1066, 1148, 1273, 1558, 1729, 1742, 1876, 2132, 2546, 2747, 3116, 3458, 3484, 3731, 5092, 5453, 5494, 6097, 6916, 7462, 8911, 10127, 10906, 10988, 12194, 14924, 16549, 17822, 19229, 20254, 21812, 24388, 33098, 35644, 35711, 38458, 40508, 52193, 66196, 70889, 71422, 76916, 104386, 115843, 141778, 142844, 208772, 231686, 249977, 283556, 365351, 463372, 499954, 678509, 730702, 999908, 1357018, 1461404, 2714036, 4749563, 9499126, 18998252]

約数ペア:

[(1, 18998252), (2, 9499126), (4, 4749563), (7, 2714036), (13, 1461404), (14, 1357018), (19, 999908), (26, 730702), (28, 678509), (38, 499954), (41, 463372), (52, 365351), (67, 283556), (76, 249977), (82, 231686), (91, 208772), (133, 142844), (134, 141778), (164, 115843), (182, 104386), (247, 76916), (266, 71422), (268, 70889), (287, 66196), (364, 52193), (469, 40508), (494, 38458), (532, 35711), (533, 35644), (574, 33098), (779, 24388), (871, 21812), (938, 20254), (988, 19229), (1066, 17822), (1148, 16549), (1273, 14924), (1558, 12194), (1729, 10988), (1742, 10906), (1876, 10127), (2132, 8911), (2546, 7462), (2747, 6916), (3116, 6097), (3458, 5494), (3484, 5453), (3731, 5092)]