19594528

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 21289952

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 79, 92, 158, 184, 316, 337, 368, 632, 674, 736, 1264, 1348, 1817, 2528, 2696, 3634, 5392, 7268, 7751, 10784, 14536, 15502, 26623, 29072, 31004, 53246, 58144, 62008, 106492, 124016, 212984, 248032, 425968, 612329, 851936, 1224658, 2449316, 4898632, 9797264, 19594528]

約数ペア:

[(1, 19594528), (2, 9797264), (4, 4898632), (8, 2449316), (16, 1224658), (23, 851936), (32, 612329), (46, 425968), (79, 248032), (92, 212984), (158, 124016), (184, 106492), (316, 62008), (337, 58144), (368, 53246), (632, 31004), (674, 29072), (736, 26623), (1264, 15502), (1348, 14536), (1817, 10784), (2528, 7751), (2696, 7268), (3634, 5392)]