18992148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{727}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 50878464

約数和(自身を除く): 31886316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 311, 622, 727, 933, 1244, 1454, 1866, 2177, 2181, 2908, 3732, 4354, 4362, 5089, 6531, 8708, 8724, 10178, 13062, 15267, 20356, 26124, 30534, 61068, 226097, 452194, 678291, 904388, 1356582, 1582679, 2713164, 3165358, 4748037, 6330716, 9496074, 18992148]

約数ペア:

[(1, 18992148), (2, 9496074), (3, 6330716), (4, 4748037), (6, 3165358), (7, 2713164), (12, 1582679), (14, 1356582), (21, 904388), (28, 678291), (42, 452194), (84, 226097), (311, 61068), (622, 30534), (727, 26124), (933, 20356), (1244, 15267), (1454, 13062), (1866, 10178), (2177, 8724), (2181, 8708), (2908, 6531), (3732, 5089), (4354, 4362)]