19441960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15679}}^1$

素因数の和:15721

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 25716440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15679, 31358, 62716, 78395, 125432, 156790, 313580, 486049, 627160, 972098, 1944196, 2430245, 3888392, 4860490, 9720980, 19441960]

約数ペア:

[(1, 19441960), (2, 9720980), (4, 4860490), (5, 3888392), (8, 2430245), (10, 1944196), (20, 972098), (31, 627160), (40, 486049), (62, 313580), (124, 156790), (155, 125432), (248, 78395), (310, 62716), (620, 31358), (1240, 15679)]