18998720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4567}}^1$

素因数の和:4597

約数の個数: 56

約数和(自身を含む): 48731424

約数和(自身を除く): 29732704

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, 4567, 9134, 18268, 22835, 36536, 45670, 59371, 73072, 91340, 118742, 146144, 182680, 237484, 292288, 296855, 365360, 474968, 593710, 730720, 949936, 1187420, 1461440, 1899872, 2374840, 3799744, 4749680, 9499360, 18998720]

約数ペア:

[(1, 18998720), (2, 9499360), (4, 4749680), (5, 3799744), (8, 2374840), (10, 1899872), (13, 1461440), (16, 1187420), (20, 949936), (26, 730720), (32, 593710), (40, 474968), (52, 365360), (64, 296855), (65, 292288), (80, 237484), (104, 182680), (130, 146144), (160, 118742), (208, 91340), (260, 73072), (320, 59371), (416, 45670), (520, 36536), (832, 22835), (1040, 18268), (2080, 9134), (4160, 4567)]