19807452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{947}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 57972096

約数和(自身を除く): 38164644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 747, 947, 996, 1162, 1494, 1743, 1894, 2324, 2841, 2988, 3486, 3788, 5229, 5682, 6629, 6972, 8523, 10458, 11364, 13258, 17046, 19887, 20916, 26516, 34092, 39774, 59661, 78601, 79548, 119322, 157202, 235803, 238644, 314404, 471606, 550207, 707409, 943212, 1100414, 1414818, 1650621, 2200828, 2829636, 3301242, 4951863, 6602484, 9903726, 19807452]

約数ペア:

[(1, 19807452), (2, 9903726), (3, 6602484), (4, 4951863), (6, 3301242), (7, 2829636), (9, 2200828), (12, 1650621), (14, 1414818), (18, 1100414), (21, 943212), (28, 707409), (36, 550207), (42, 471606), (63, 314404), (83, 238644), (84, 235803), (126, 157202), (166, 119322), (249, 79548), (252, 78601), (332, 59661), (498, 39774), (581, 34092), (747, 26516), (947, 20916), (996, 19887), (1162, 17046), (1494, 13258), (1743, 11364), (1894, 10458), (2324, 8523), (2841, 6972), (2988, 6629), (3486, 5682), (3788, 5229)]