19644560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1453}}^1$

素因数の和:1492

約数の個数: 60

約数和(自身を含む): 49491252

約数和(自身を除く): 29846692

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1453, 1690, 2704, 2906, 3380, 5812, 6760, 7265, 11624, 13520, 14530, 18889, 23248, 29060, 37778, 58120, 75556, 94445, 116240, 151112, 188890, 245557, 302224, 377780, 491114, 755560, 982228, 1227785, 1511120, 1964456, 2455570, 3928912, 4911140, 9822280, 19644560]

約数ペア:

[(1, 19644560), (2, 9822280), (4, 4911140), (5, 3928912), (8, 2455570), (10, 1964456), (13, 1511120), (16, 1227785), (20, 982228), (26, 755560), (40, 491114), (52, 377780), (65, 302224), (80, 245557), (104, 188890), (130, 151112), (169, 116240), (208, 94445), (260, 75556), (338, 58120), (520, 37778), (676, 29060), (845, 23248), (1040, 18889), (1352, 14530), (1453, 13520), (1690, 11624), (2704, 7265), (2906, 6760), (3380, 5812)]