17813808

素因数分解:

$2^4\times 3^2\times {\mathrm{123707}}^1$

素因数の和:123721

約数の個数: 30

約数和(自身を含む): 49854324

約数和(自身を除く): 32040516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 123707, 247414, 371121, 494828, 742242, 989656, 1113363, 1484484, 1979312, 2226726, 2968968, 4453452, 5937936, 8906904, 17813808]

約数ペア:

[(1, 17813808), (2, 8906904), (3, 5937936), (4, 4453452), (6, 2968968), (8, 2226726), (9, 1979312), (12, 1484484), (16, 1113363), (18, 989656), (24, 742242), (36, 494828), (48, 371121), (72, 247414), (144, 123707)]