19088940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24473}}^1$

素因数の和:24498

約数の個数: 48

約数和(自身を含む): 57562848

約数和(自身を除く): 38473908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24473, 48946, 73419, 97892, 122365, 146838, 244730, 293676, 318149, 367095, 489460, 636298, 734190, 954447, 1272596, 1468380, 1590745, 1908894, 3181490, 3817788, 4772235, 6362980, 9544470, 19088940]

約数ペア:

[(1, 19088940), (2, 9544470), (3, 6362980), (4, 4772235), (5, 3817788), (6, 3181490), (10, 1908894), (12, 1590745), (13, 1468380), (15, 1272596), (20, 954447), (26, 734190), (30, 636298), (39, 489460), (52, 367095), (60, 318149), (65, 293676), (78, 244730), (130, 146838), (156, 122365), (195, 97892), (260, 73419), (390, 48946), (780, 24473)]