19543419

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 35193600

約数和(自身を除く): 15650181

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 563, 609, 1197, 1653, 1689, 1827, 3857, 3941, 4959, 5067, 10697, 11571, 11823, 16327, 32091, 34713, 35469, 48981, 74879, 96273, 114289, 146943, 224637, 310213, 342867, 673911, 930639, 1028601, 2171491, 2791917, 6514473, 19543419]

約数ペア:

[(1, 19543419), (3, 6514473), (7, 2791917), (9, 2171491), (19, 1028601), (21, 930639), (29, 673911), (57, 342867), (63, 310213), (87, 224637), (133, 146943), (171, 114289), (203, 96273), (261, 74879), (399, 48981), (551, 35469), (563, 34713), (609, 32091), (1197, 16327), (1653, 11823), (1689, 11571), (1827, 10697), (3857, 5067), (3941, 4959)]