19853080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 48857760

約数和(自身を除く): 29004680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 523, 584, 730, 949, 1046, 1460, 1898, 2092, 2615, 2920, 3796, 4184, 4745, 5230, 6799, 7592, 9490, 10460, 13598, 18980, 20920, 27196, 33995, 37960, 38179, 54392, 67990, 76358, 135980, 152716, 190895, 271960, 305432, 381790, 496327, 763580, 992654, 1527160, 1985308, 2481635, 3970616, 4963270, 9926540, 19853080]

約数ペア:

[(1, 19853080), (2, 9926540), (4, 4963270), (5, 3970616), (8, 2481635), (10, 1985308), (13, 1527160), (20, 992654), (26, 763580), (40, 496327), (52, 381790), (65, 305432), (73, 271960), (104, 190895), (130, 152716), (146, 135980), (260, 76358), (292, 67990), (365, 54392), (520, 38179), (523, 37960), (584, 33995), (730, 27196), (949, 20920), (1046, 18980), (1460, 13598), (1898, 10460), (2092, 9490), (2615, 7592), (2920, 6799), (3796, 5230), (4184, 4745)]