19515040

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5303}}^1$

素因数の和:5341

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 28602848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5303, 10606, 21212, 26515, 42424, 53030, 84848, 106060, 121969, 169696, 212120, 243938, 424240, 487876, 609845, 848480, 975752, 1219690, 1951504, 2439380, 3903008, 4878760, 9757520, 19515040]

約数ペア:

[(1, 19515040), (2, 9757520), (4, 4878760), (5, 3903008), (8, 2439380), (10, 1951504), (16, 1219690), (20, 975752), (23, 848480), (32, 609845), (40, 487876), (46, 424240), (80, 243938), (92, 212120), (115, 169696), (160, 121969), (184, 106060), (230, 84848), (368, 53030), (460, 42424), (736, 26515), (920, 21212), (1840, 10606), (3680, 5303)]