19235178

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 25865622

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 71, 87, 142, 173, 174, 213, 261, 346, 426, 519, 522, 639, 783, 1038, 1278, 1557, 1566, 1917, 2059, 3114, 3834, 4118, 4671, 5017, 6177, 9342, 10034, 12283, 12354, 15051, 18531, 24566, 30102, 36849, 37062, 45153, 55593, 73698, 90306, 110547, 111186, 135459, 221094, 270918, 331641, 356207, 663282, 712414, 1068621, 2137242, 3205863, 6411726, 9617589, 19235178]

約数ペア:

[(1, 19235178), (2, 9617589), (3, 6411726), (6, 3205863), (9, 2137242), (18, 1068621), (27, 712414), (29, 663282), (54, 356207), (58, 331641), (71, 270918), (87, 221094), (142, 135459), (173, 111186), (174, 110547), (213, 90306), (261, 73698), (346, 55593), (426, 45153), (519, 37062), (522, 36849), (639, 30102), (783, 24566), (1038, 18531), (1278, 15051), (1557, 12354), (1566, 12283), (1917, 10034), (2059, 9342), (3114, 6177), (3834, 5017), (4118, 4671)]