18488418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 42964992

約数和(自身を除く): 24476574

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 73, 78, 102, 146, 191, 219, 221, 382, 438, 442, 573, 663, 949, 1146, 1241, 1326, 1898, 2482, 2483, 2847, 3247, 3723, 4966, 5694, 6494, 7446, 7449, 9741, 13943, 14898, 16133, 19482, 27886, 32266, 41829, 42211, 48399, 83658, 84422, 96798, 126633, 181259, 237031, 253266, 362518, 474062, 543777, 711093, 1087554, 1422186, 3081403, 6162806, 9244209, 18488418]

約数ペア:

[(1, 18488418), (2, 9244209), (3, 6162806), (6, 3081403), (13, 1422186), (17, 1087554), (26, 711093), (34, 543777), (39, 474062), (51, 362518), (73, 253266), (78, 237031), (102, 181259), (146, 126633), (191, 96798), (219, 84422), (221, 83658), (382, 48399), (438, 42211), (442, 41829), (573, 32266), (663, 27886), (949, 19482), (1146, 16133), (1241, 14898), (1326, 13943), (1898, 9741), (2482, 7449), (2483, 7446), (2847, 6494), (3247, 5694), (3723, 4966)]