19741218

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 26798142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 98, 147, 166, 249, 294, 498, 581, 809, 1162, 1618, 1743, 2427, 3486, 4067, 4854, 5663, 8134, 11326, 12201, 16989, 24402, 33978, 39641, 67147, 79282, 118923, 134294, 201441, 237846, 402882, 470029, 940058, 1410087, 2820174, 3290203, 6580406, 9870609, 19741218]

約数ペア:

[(1, 19741218), (2, 9870609), (3, 6580406), (6, 3290203), (7, 2820174), (14, 1410087), (21, 940058), (42, 470029), (49, 402882), (83, 237846), (98, 201441), (147, 134294), (166, 118923), (249, 79282), (294, 67147), (498, 39641), (581, 33978), (809, 24402), (1162, 16989), (1618, 12201), (1743, 11326), (2427, 8134), (3486, 5663), (4067, 4854)]