19934478

素因数分解:

$2^1\times 3^3\times {\mathrm{311}}^1\times {\mathrm{1187}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 24544242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 311, 622, 933, 1187, 1866, 2374, 2799, 3561, 5598, 7122, 8397, 10683, 16794, 21366, 32049, 64098, 369157, 738314, 1107471, 2214942, 3322413, 6644826, 9967239, 19934478]

約数ペア:

[(1, 19934478), (2, 9967239), (3, 6644826), (6, 3322413), (9, 2214942), (18, 1107471), (27, 738314), (54, 369157), (311, 64098), (622, 32049), (933, 21366), (1187, 16794), (1866, 10683), (2374, 8397), (2799, 7122), (3561, 5598)]