19105840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18371}}^1$

素因数の和:18397

約数の個数: 40

約数和(自身を含む): 47840688

約数和(自身を除く): 28734848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18371, 36742, 73484, 91855, 146968, 183710, 238823, 293936, 367420, 477646, 734840, 955292, 1194115, 1469680, 1910584, 2388230, 3821168, 4776460, 9552920, 19105840]

約数ペア:

[(1, 19105840), (2, 9552920), (4, 4776460), (5, 3821168), (8, 2388230), (10, 1910584), (13, 1469680), (16, 1194115), (20, 955292), (26, 734840), (40, 477646), (52, 367420), (65, 293936), (80, 238823), (104, 183710), (130, 146968), (208, 91855), (260, 73484), (520, 36742), (1040, 18371)]