19559708

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 21082852

約数列:

[1, 2, 4, 7, 14, 28, 47, 89, 94, 167, 178, 188, 329, 334, 356, 623, 658, 668, 1169, 1246, 1316, 2338, 2492, 4183, 4676, 7849, 8366, 14863, 15698, 16732, 29281, 29726, 31396, 54943, 58562, 59452, 104041, 109886, 117124, 208082, 219772, 416164, 698561, 1397122, 2794244, 4889927, 9779854, 19559708]

約数ペア:

[(1, 19559708), (2, 9779854), (4, 4889927), (7, 2794244), (14, 1397122), (28, 698561), (47, 416164), (89, 219772), (94, 208082), (167, 117124), (178, 109886), (188, 104041), (329, 59452), (334, 58562), (356, 54943), (623, 31396), (658, 29726), (668, 29281), (1169, 16732), (1246, 15698), (1316, 14863), (2338, 8366), (2492, 7849), (4183, 4676)]