19256120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1992

約数の個数: 64

約数和(自身を含む): 49140000

約数和(自身を除く): 29883880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1949, 1976, 2470, 3898, 4940, 7796, 9745, 9880, 15592, 19490, 25337, 37031, 38980, 50674, 74062, 77960, 101348, 126685, 148124, 185155, 202696, 253370, 296248, 370310, 481403, 506740, 740620, 962806, 1013480, 1481240, 1925612, 2407015, 3851224, 4814030, 9628060, 19256120]

約数ペア:

[(1, 19256120), (2, 9628060), (4, 4814030), (5, 3851224), (8, 2407015), (10, 1925612), (13, 1481240), (19, 1013480), (20, 962806), (26, 740620), (38, 506740), (40, 481403), (52, 370310), (65, 296248), (76, 253370), (95, 202696), (104, 185155), (130, 148124), (152, 126685), (190, 101348), (247, 77960), (260, 74062), (380, 50674), (494, 38980), (520, 37031), (760, 25337), (988, 19490), (1235, 15592), (1949, 9880), (1976, 9745), (2470, 7796), (3898, 4940)]