18652648

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{839}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 40118400

約数和(自身を除く): 21465752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 839, 1588, 1678, 2779, 3176, 3356, 5558, 5873, 6712, 11116, 11746, 22232, 23492, 46984, 333083, 666166, 1332332, 2331581, 2664664, 4663162, 9326324, 18652648]

約数ペア:

[(1, 18652648), (2, 9326324), (4, 4663162), (7, 2664664), (8, 2331581), (14, 1332332), (28, 666166), (56, 333083), (397, 46984), (794, 23492), (839, 22232), (1588, 11746), (1678, 11116), (2779, 6712), (3176, 5873), (3356, 5558)]