19944652

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 43355200

約数和(自身を除く): 23410548

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 349, 364, 628, 698, 1099, 1396, 2041, 2198, 2443, 4082, 4396, 4537, 4886, 8164, 9074, 9772, 14287, 18148, 28574, 31759, 54793, 57148, 63518, 109586, 127036, 219172, 383551, 712309, 767102, 1424618, 1534204, 2849236, 4986163, 9972326, 19944652]

約数ペア:

[(1, 19944652), (2, 9972326), (4, 4986163), (7, 2849236), (13, 1534204), (14, 1424618), (26, 767102), (28, 712309), (52, 383551), (91, 219172), (157, 127036), (182, 109586), (314, 63518), (349, 57148), (364, 54793), (628, 31759), (698, 28574), (1099, 18148), (1396, 14287), (2041, 9772), (2198, 9074), (2443, 8164), (4082, 4886), (4396, 4537)]