18140820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15913}}^1$

素因数の和:15944

約数の個数: 48

約数和(自身を含む): 53471040

約数和(自身を除く): 35330220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 15913, 31826, 47739, 63652, 79565, 95478, 159130, 190956, 238695, 302347, 318260, 477390, 604694, 907041, 954780, 1209388, 1511735, 1814082, 3023470, 3628164, 4535205, 6046940, 9070410, 18140820]

約数ペア:

[(1, 18140820), (2, 9070410), (3, 6046940), (4, 4535205), (5, 3628164), (6, 3023470), (10, 1814082), (12, 1511735), (15, 1209388), (19, 954780), (20, 907041), (30, 604694), (38, 477390), (57, 318260), (60, 302347), (76, 238695), (95, 190956), (114, 159130), (190, 95478), (228, 79565), (285, 63652), (380, 47739), (570, 31826), (1140, 15913)]