19677320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28706680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 479, 520, 632, 790, 958, 1027, 1580, 1916, 2054, 2395, 3160, 3832, 4108, 4790, 5135, 6227, 8216, 9580, 10270, 12454, 19160, 20540, 24908, 31135, 37841, 41080, 49816, 62270, 75682, 124540, 151364, 189205, 249080, 302728, 378410, 491933, 756820, 983866, 1513640, 1967732, 2459665, 3935464, 4919330, 9838660, 19677320]

約数ペア:

[(1, 19677320), (2, 9838660), (4, 4919330), (5, 3935464), (8, 2459665), (10, 1967732), (13, 1513640), (20, 983866), (26, 756820), (40, 491933), (52, 378410), (65, 302728), (79, 249080), (104, 189205), (130, 151364), (158, 124540), (260, 75682), (316, 62270), (395, 49816), (479, 41080), (520, 37841), (632, 31135), (790, 24908), (958, 20540), (1027, 19160), (1580, 12454), (1916, 10270), (2054, 9580), (2395, 8216), (3160, 6227), (3832, 5135), (4108, 4790)]