18855396

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{509}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 57120000

約数和(自身を除く): 38264604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 343, 378, 441, 509, 588, 686, 756, 882, 1018, 1029, 1323, 1372, 1527, 1764, 2036, 2058, 2646, 3054, 3087, 3563, 4116, 4581, 5292, 6108, 6174, 7126, 9162, 9261, 10689, 12348, 13743, 14252, 18324, 18522, 21378, 24941, 27486, 32067, 37044, 42756, 49882, 54972, 64134, 74823, 96201, 99764, 128268, 149646, 174587, 192402, 224469, 299292, 349174, 384804, 448938, 523761, 673407, 698348, 897876, 1047522, 1346814, 1571283, 2095044, 2693628, 3142566, 4713849, 6285132, 9427698, 18855396]

約数ペア:

[(1, 18855396), (2, 9427698), (3, 6285132), (4, 4713849), (6, 3142566), (7, 2693628), (9, 2095044), (12, 1571283), (14, 1346814), (18, 1047522), (21, 897876), (27, 698348), (28, 673407), (36, 523761), (42, 448938), (49, 384804), (54, 349174), (63, 299292), (84, 224469), (98, 192402), (108, 174587), (126, 149646), (147, 128268), (189, 99764), (196, 96201), (252, 74823), (294, 64134), (343, 54972), (378, 49882), (441, 42756), (509, 37044), (588, 32067), (686, 27486), (756, 24941), (882, 21378), (1018, 18522), (1029, 18324), (1323, 14252), (1372, 13743), (1527, 12348), (1764, 10689), (2036, 9261), (2058, 9162), (2646, 7126), (3054, 6174), (3087, 6108), (3563, 5292), (4116, 4581)]