19442800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3739}}^1$

素因数の和:3770

約数の個数: 60

約数和(自身を含む): 50317960

約数和(自身を除く): 30875160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3739, 5200, 7478, 14956, 18695, 29912, 37390, 48607, 59824, 74780, 93475, 97214, 149560, 186950, 194428, 243035, 299120, 373900, 388856, 486070, 747800, 777712, 972140, 1215175, 1495600, 1944280, 2430350, 3888560, 4860700, 9721400, 19442800]

約数ペア:

[(1, 19442800), (2, 9721400), (4, 4860700), (5, 3888560), (8, 2430350), (10, 1944280), (13, 1495600), (16, 1215175), (20, 972140), (25, 777712), (26, 747800), (40, 486070), (50, 388856), (52, 373900), (65, 299120), (80, 243035), (100, 194428), (104, 186950), (130, 149560), (200, 97214), (208, 93475), (260, 74780), (325, 59824), (400, 48607), (520, 37390), (650, 29912), (1040, 18695), (1300, 14956), (2600, 7478), (3739, 5200)]