18857916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6803}}^1$

素因数の和:6831

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 40581828

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 6803, 13606, 20409, 27212, 40818, 47621, 61227, 74833, 81636, 95242, 122454, 142863, 149666, 190484, 224499, 244908, 285726, 299332, 428589, 448998, 523831, 571452, 673497, 857178, 897996, 1047662, 1346994, 1571493, 1714356, 2095324, 2693988, 3142986, 4714479, 6285972, 9428958, 18857916]

約数ペア:

[(1, 18857916), (2, 9428958), (3, 6285972), (4, 4714479), (6, 3142986), (7, 2693988), (9, 2095324), (11, 1714356), (12, 1571493), (14, 1346994), (18, 1047662), (21, 897996), (22, 857178), (28, 673497), (33, 571452), (36, 523831), (42, 448998), (44, 428589), (63, 299332), (66, 285726), (77, 244908), (84, 224499), (99, 190484), (126, 149666), (132, 142863), (154, 122454), (198, 95242), (231, 81636), (252, 74833), (308, 61227), (396, 47621), (462, 40818), (693, 27212), (924, 20409), (1386, 13606), (2772, 6803)]