18521748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1097}}^1$

素因数の和:1181

約数の個数: 72

約数和(自身を含む): 54355392

約数和(自身を除く): 35833644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 84, 126, 134, 201, 252, 268, 402, 469, 603, 804, 938, 1097, 1206, 1407, 1876, 2194, 2412, 2814, 3291, 4221, 4388, 5628, 6582, 7679, 8442, 9873, 13164, 15358, 16884, 19746, 23037, 30716, 39492, 46074, 69111, 73499, 92148, 138222, 146998, 220497, 276444, 293996, 440994, 514493, 661491, 881988, 1028986, 1322982, 1543479, 2057972, 2645964, 3086958, 4630437, 6173916, 9260874, 18521748]

約数ペア:

[(1, 18521748), (2, 9260874), (3, 6173916), (4, 4630437), (6, 3086958), (7, 2645964), (9, 2057972), (12, 1543479), (14, 1322982), (18, 1028986), (21, 881988), (28, 661491), (36, 514493), (42, 440994), (63, 293996), (67, 276444), (84, 220497), (126, 146998), (134, 138222), (201, 92148), (252, 73499), (268, 69111), (402, 46074), (469, 39492), (603, 30716), (804, 23037), (938, 19746), (1097, 16884), (1206, 15358), (1407, 13164), (1876, 9873), (2194, 8442), (2412, 7679), (2814, 6582), (3291, 5628), (4221, 4388)]