18885672

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20177}}^1$

素因数の和:20202

約数の個数: 48

約数和(自身を含む): 55085940

約数和(自身を除く): 36200268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20177, 40354, 60531, 80708, 121062, 161416, 181593, 242124, 262301, 363186, 484248, 524602, 726372, 786903, 1049204, 1452744, 1573806, 2098408, 2360709, 3147612, 4721418, 6295224, 9442836, 18885672]

約数ペア:

[(1, 18885672), (2, 9442836), (3, 6295224), (4, 4721418), (6, 3147612), (8, 2360709), (9, 2098408), (12, 1573806), (13, 1452744), (18, 1049204), (24, 786903), (26, 726372), (36, 524602), (39, 484248), (52, 363186), (72, 262301), (78, 242124), (104, 181593), (117, 161416), (156, 121062), (234, 80708), (312, 60531), (468, 40354), (936, 20177)]