19452940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3298

約数の個数: 48

約数和(自身を含む): 45920448

約数和(自身を除く): 26467508

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3253, 5980, 6506, 13012, 16265, 32530, 42289, 65060, 74819, 84578, 149638, 169156, 211445, 299276, 374095, 422890, 748190, 845780, 972647, 1496380, 1945294, 3890588, 4863235, 9726470, 19452940]

約数ペア:

[(1, 19452940), (2, 9726470), (4, 4863235), (5, 3890588), (10, 1945294), (13, 1496380), (20, 972647), (23, 845780), (26, 748190), (46, 422890), (52, 374095), (65, 299276), (92, 211445), (115, 169156), (130, 149638), (230, 84578), (260, 74819), (299, 65060), (460, 42289), (598, 32530), (1196, 16265), (1495, 13012), (2990, 6506), (3253, 5980)]