19689280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4733}}^1$

素因数の和:4763

約数の個数: 56

約数和(自身を含む): 50502312

約数和(自身を除く): 30813032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4733, 9466, 18932, 23665, 37864, 47330, 61529, 75728, 94660, 123058, 151456, 189320, 246116, 302912, 307645, 378640, 492232, 615290, 757280, 984464, 1230580, 1514560, 1968928, 2461160, 3937856, 4922320, 9844640, 19689280]

約数ペア:

[(1, 19689280), (2, 9844640), (4, 4922320), (5, 3937856), (8, 2461160), (10, 1968928), (13, 1514560), (16, 1230580), (20, 984464), (26, 757280), (32, 615290), (40, 492232), (52, 378640), (64, 307645), (65, 302912), (80, 246116), (104, 189320), (130, 151456), (160, 123058), (208, 94660), (260, 75728), (320, 61529), (416, 47330), (520, 37864), (832, 23665), (1040, 18932), (2080, 9466), (4160, 4733)]