19460920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28619}}^1$

素因数の和:28647

約数の個数: 32

約数和(自身を含む): 46364400

約数和(自身を除く): 26903480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28619, 57238, 114476, 143095, 228952, 286190, 486523, 572380, 973046, 1144760, 1946092, 2432615, 3892184, 4865230, 9730460, 19460920]

約数ペア:

[(1, 19460920), (2, 9730460), (4, 4865230), (5, 3892184), (8, 2432615), (10, 1946092), (17, 1144760), (20, 973046), (34, 572380), (40, 486523), (68, 286190), (85, 228952), (136, 143095), (170, 114476), (340, 57238), (680, 28619)]