18888618

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1627

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 26156886

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 861, 1567, 1722, 2009, 3134, 4018, 4701, 6027, 9402, 10969, 12054, 21938, 32907, 64247, 65814, 76783, 128494, 153566, 192741, 230349, 385482, 449729, 460698, 899458, 1349187, 2698374, 3148103, 6296206, 9444309, 18888618]

約数ペア:

[(1, 18888618), (2, 9444309), (3, 6296206), (6, 3148103), (7, 2698374), (14, 1349187), (21, 899458), (41, 460698), (42, 449729), (49, 385482), (82, 230349), (98, 192741), (123, 153566), (147, 128494), (246, 76783), (287, 65814), (294, 64247), (574, 32907), (861, 21938), (1567, 12054), (1722, 10969), (2009, 9402), (3134, 6027), (4018, 4701)]