19519380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12049}}^1$

素因数の和:12070

約数の個数: 60

約数和(自身を含む): 61238100

約数和(自身を除く): 41718720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12049, 24098, 36147, 48196, 60245, 72294, 108441, 120490, 144588, 180735, 216882, 240980, 325323, 361470, 433764, 542205, 650646, 722940, 975969, 1084410, 1301292, 1626615, 1951938, 2168820, 3253230, 3903876, 4879845, 6506460, 9759690, 19519380]

約数ペア:

[(1, 19519380), (2, 9759690), (3, 6506460), (4, 4879845), (5, 3903876), (6, 3253230), (9, 2168820), (10, 1951938), (12, 1626615), (15, 1301292), (18, 1084410), (20, 975969), (27, 722940), (30, 650646), (36, 542205), (45, 433764), (54, 361470), (60, 325323), (81, 240980), (90, 216882), (108, 180735), (135, 144588), (162, 120490), (180, 108441), (270, 72294), (324, 60245), (405, 48196), (540, 36147), (810, 24098), (1620, 12049)]