19360580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 22552060

約数列:

[1, 2, 4, 5, 10, 20, 83, 107, 109, 166, 214, 218, 332, 415, 428, 436, 535, 545, 830, 1070, 1090, 1660, 2140, 2180, 8881, 9047, 11663, 17762, 18094, 23326, 35524, 36188, 44405, 45235, 46652, 58315, 88810, 90470, 116630, 177620, 180940, 233260, 968029, 1936058, 3872116, 4840145, 9680290, 19360580]

約数ペア:

[(1, 19360580), (2, 9680290), (4, 4840145), (5, 3872116), (10, 1936058), (20, 968029), (83, 233260), (107, 180940), (109, 177620), (166, 116630), (214, 90470), (218, 88810), (332, 58315), (415, 46652), (428, 45235), (436, 44405), (535, 36188), (545, 35524), (830, 23326), (1070, 18094), (1090, 17762), (1660, 11663), (2140, 9047), (2180, 8881)]