19191728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38693}}^1$

素因数の和:38732

約数の個数: 20

約数和(自身を含む): 38384448

約数和(自身を除く): 19192720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38693, 77386, 154772, 309544, 619088, 1199483, 2398966, 4797932, 9595864, 19191728]

約数ペア:

[(1, 19191728), (2, 9595864), (4, 4797932), (8, 2398966), (16, 1199483), (31, 619088), (62, 309544), (124, 154772), (248, 77386), (496, 38693)]