18955692

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 40798548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 37, 38, 42, 57, 63, 74, 76, 84, 107, 111, 114, 126, 133, 148, 171, 214, 222, 228, 252, 259, 266, 321, 333, 342, 399, 428, 444, 518, 532, 642, 666, 684, 703, 749, 777, 798, 963, 1036, 1197, 1284, 1332, 1406, 1498, 1554, 1596, 1926, 2033, 2109, 2247, 2331, 2394, 2812, 2996, 3108, 3852, 3959, 4066, 4218, 4494, 4662, 4788, 4921, 6099, 6327, 6741, 7918, 8132, 8436, 8988, 9324, 9842, 11877, 12198, 12654, 13482, 14231, 14763, 15836, 18297, 19684, 23754, 24396, 25308, 26964, 27713, 28462, 29526, 35631, 36594, 42693, 44289, 47508, 55426, 56924, 59052, 71262, 73188, 75221, 83139, 85386, 88578, 110852, 128079, 142524, 150442, 166278, 170772, 177156, 225663, 249417, 256158, 300884, 332556, 451326, 498834, 512316, 526547, 676989, 902652, 997668, 1053094, 1353978, 1579641, 2106188, 2707956, 3159282, 4738923, 6318564, 9477846, 18955692]

約数ペア:

[(1, 18955692), (2, 9477846), (3, 6318564), (4, 4738923), (6, 3159282), (7, 2707956), (9, 2106188), (12, 1579641), (14, 1353978), (18, 1053094), (19, 997668), (21, 902652), (28, 676989), (36, 526547), (37, 512316), (38, 498834), (42, 451326), (57, 332556), (63, 300884), (74, 256158), (76, 249417), (84, 225663), (107, 177156), (111, 170772), (114, 166278), (126, 150442), (133, 142524), (148, 128079), (171, 110852), (214, 88578), (222, 85386), (228, 83139), (252, 75221), (259, 73188), (266, 71262), (321, 59052), (333, 56924), (342, 55426), (399, 47508), (428, 44289), (444, 42693), (518, 36594), (532, 35631), (642, 29526), (666, 28462), (684, 27713), (703, 26964), (749, 25308), (777, 24396), (798, 23754), (963, 19684), (1036, 18297), (1197, 15836), (1284, 14763), (1332, 14231), (1406, 13482), (1498, 12654), (1554, 12198), (1596, 11877), (1926, 9842), (2033, 9324), (2109, 8988), (2247, 8436), (2331, 8132), (2394, 7918), (2812, 6741), (2996, 6327), (3108, 6099), (3852, 4921), (3959, 4788), (4066, 4662), (4218, 4494)]