19263340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 42981120

約数和(自身を除く): 23717780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 311, 326, 380, 622, 652, 815, 1244, 1555, 1630, 3097, 3110, 3260, 5909, 6194, 6220, 11818, 12388, 15485, 23636, 29545, 30970, 50693, 59090, 61940, 101386, 118180, 202772, 253465, 506930, 963167, 1013860, 1926334, 3852668, 4815835, 9631670, 19263340]

約数ペア:

[(1, 19263340), (2, 9631670), (4, 4815835), (5, 3852668), (10, 1926334), (19, 1013860), (20, 963167), (38, 506930), (76, 253465), (95, 202772), (163, 118180), (190, 101386), (311, 61940), (326, 59090), (380, 50693), (622, 30970), (652, 29545), (815, 23636), (1244, 15485), (1555, 12388), (1630, 11818), (3097, 6220), (3110, 6194), (3260, 5909)]