19099719

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 30317760

約数和(自身を除く): 11218041

約数列:

[1, 3, 9, 27, 29, 47, 81, 87, 141, 173, 261, 423, 519, 783, 1269, 1363, 1557, 2349, 3807, 4089, 4671, 5017, 8131, 12267, 14013, 15051, 24393, 36801, 45153, 73179, 110403, 135459, 219537, 235799, 406377, 658611, 707397, 2122191, 6366573, 19099719]

約数ペア:

[(1, 19099719), (3, 6366573), (9, 2122191), (27, 707397), (29, 658611), (47, 406377), (81, 235799), (87, 219537), (141, 135459), (173, 110403), (261, 73179), (423, 45153), (519, 36801), (783, 24393), (1269, 15051), (1363, 14013), (1557, 12267), (2349, 8131), (3807, 5017), (4089, 4671)]