18148420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 40501440

約数和(自身を除く): 22353020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 293, 326, 380, 586, 652, 815, 1172, 1465, 1630, 2930, 3097, 3260, 5567, 5860, 6194, 11134, 12388, 15485, 22268, 27835, 30970, 47759, 55670, 61940, 95518, 111340, 191036, 238795, 477590, 907421, 955180, 1814842, 3629684, 4537105, 9074210, 18148420]

約数ペア:

[(1, 18148420), (2, 9074210), (4, 4537105), (5, 3629684), (10, 1814842), (19, 955180), (20, 907421), (38, 477590), (76, 238795), (95, 191036), (163, 111340), (190, 95518), (293, 61940), (326, 55670), (380, 47759), (586, 30970), (652, 27835), (815, 22268), (1172, 15485), (1465, 12388), (1630, 11134), (2930, 6194), (3097, 5860), (3260, 5567)]