19318240

素因数分解:

$2^5\times 5^1\times {\mathrm{120739}}^1$

素因数の和:120754

約数の個数: 24

約数和(自身を含む): 45639720

約数和(自身を除く): 26321480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 120739, 241478, 482956, 603695, 965912, 1207390, 1931824, 2414780, 3863648, 4829560, 9659120, 19318240]

約数ペア:

[(1, 19318240), (2, 9659120), (4, 4829560), (5, 3863648), (8, 2414780), (10, 1931824), (16, 1207390), (20, 965912), (32, 603695), (40, 482956), (80, 241478), (160, 120739)]