19382750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 38997504

約数和(自身を除く): 19614754

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 61, 62, 82, 122, 125, 155, 205, 250, 305, 310, 410, 610, 775, 1025, 1271, 1525, 1550, 1891, 2050, 2501, 2542, 3050, 3782, 3875, 5002, 5125, 6355, 7625, 7750, 9455, 10250, 12505, 12710, 15250, 18910, 25010, 31775, 47275, 62525, 63550, 77531, 94550, 125050, 155062, 158875, 236375, 312625, 317750, 387655, 472750, 625250, 775310, 1938275, 3876550, 9691375, 19382750]

約数ペア:

[(1, 19382750), (2, 9691375), (5, 3876550), (10, 1938275), (25, 775310), (31, 625250), (41, 472750), (50, 387655), (61, 317750), (62, 312625), (82, 236375), (122, 158875), (125, 155062), (155, 125050), (205, 94550), (250, 77531), (305, 63550), (310, 62525), (410, 47275), (610, 31775), (775, 25010), (1025, 18910), (1271, 15250), (1525, 12710), (1550, 12505), (1891, 10250), (2050, 9455), (2501, 7750), (2542, 7625), (3050, 6355), (3782, 5125), (3875, 5002)]