19454360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 46828800

約数和(自身を除く): 27374440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 541, 580, 620, 899, 1082, 1160, 1240, 1798, 2164, 2705, 3596, 4328, 4495, 5410, 7192, 8990, 10820, 15689, 16771, 17980, 21640, 31378, 33542, 35960, 62756, 67084, 78445, 83855, 125512, 134168, 156890, 167710, 313780, 335420, 486359, 627560, 670840, 972718, 1945436, 2431795, 3890872, 4863590, 9727180, 19454360]

約数ペア:

[(1, 19454360), (2, 9727180), (4, 4863590), (5, 3890872), (8, 2431795), (10, 1945436), (20, 972718), (29, 670840), (31, 627560), (40, 486359), (58, 335420), (62, 313780), (116, 167710), (124, 156890), (145, 134168), (155, 125512), (232, 83855), (248, 78445), (290, 67084), (310, 62756), (541, 35960), (580, 33542), (620, 31378), (899, 21640), (1082, 17980), (1160, 16771), (1240, 15689), (1798, 10820), (2164, 8990), (2705, 7192), (3596, 5410), (4328, 4495)]