19415277

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 14130963

約数列:

[1, 3, 7, 9, 21, 47, 63, 79, 83, 141, 237, 249, 329, 423, 553, 581, 711, 747, 987, 1659, 1743, 2961, 3713, 3901, 4977, 5229, 6557, 11139, 11703, 19671, 25991, 27307, 33417, 35109, 45899, 59013, 77973, 81921, 137697, 233919, 245763, 308179, 413091, 924537, 2157253, 2773611, 6471759, 19415277]

約数ペア:

[(1, 19415277), (3, 6471759), (7, 2773611), (9, 2157253), (21, 924537), (47, 413091), (63, 308179), (79, 245763), (83, 233919), (141, 137697), (237, 81921), (249, 77973), (329, 59013), (423, 45899), (553, 35109), (581, 33417), (711, 27307), (747, 25991), (987, 19671), (1659, 11703), (1743, 11139), (2961, 6557), (3713, 5229), (3901, 4977)]