19312480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10973}}^1$

素因数の和:10999

約数の個数: 48

約数和(自身を含む): 49778064

約数和(自身を除く): 30465584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10973, 21946, 43892, 54865, 87784, 109730, 120703, 175568, 219460, 241406, 351136, 438920, 482812, 603515, 877840, 965624, 1207030, 1755680, 1931248, 2414060, 3862496, 4828120, 9656240, 19312480]

約数ペア:

[(1, 19312480), (2, 9656240), (4, 4828120), (5, 3862496), (8, 2414060), (10, 1931248), (11, 1755680), (16, 1207030), (20, 965624), (22, 877840), (32, 603515), (40, 482812), (44, 438920), (55, 351136), (80, 241406), (88, 219460), (110, 175568), (160, 120703), (176, 109730), (220, 87784), (352, 54865), (440, 43892), (880, 21946), (1760, 10973)]