19944736

素因数分解:

$2^5\times 7^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 45178560

約数和(自身を除く): 25233824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 269, 331, 538, 662, 1076, 1324, 1883, 2152, 2317, 2648, 3766, 4304, 4634, 5296, 7532, 8608, 9268, 10592, 15064, 18536, 30128, 37072, 60256, 74144, 89039, 178078, 356156, 623273, 712312, 1246546, 1424624, 2493092, 2849248, 4986184, 9972368, 19944736]

約数ペア:

[(1, 19944736), (2, 9972368), (4, 4986184), (7, 2849248), (8, 2493092), (14, 1424624), (16, 1246546), (28, 712312), (32, 623273), (56, 356156), (112, 178078), (224, 89039), (269, 74144), (331, 60256), (538, 37072), (662, 30128), (1076, 18536), (1324, 15064), (1883, 10592), (2152, 9268), (2317, 8608), (2648, 7532), (3766, 5296), (4304, 4634)]