19010145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 38522880

約数和(自身を除く): 19512735

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 109, 151, 165, 231, 327, 385, 453, 545, 755, 763, 1057, 1155, 1199, 1635, 1661, 2265, 2289, 3171, 3597, 3815, 4983, 5285, 5995, 8305, 8393, 11445, 11627, 15855, 16459, 17985, 24915, 25179, 34881, 41965, 49377, 58135, 82295, 115213, 125895, 174405, 181049, 246885, 345639, 543147, 576065, 905245, 1267343, 1728195, 2715735, 3802029, 6336715, 19010145]

約数ペア:

[(1, 19010145), (3, 6336715), (5, 3802029), (7, 2715735), (11, 1728195), (15, 1267343), (21, 905245), (33, 576065), (35, 543147), (55, 345639), (77, 246885), (105, 181049), (109, 174405), (151, 125895), (165, 115213), (231, 82295), (327, 58135), (385, 49377), (453, 41965), (545, 34881), (755, 25179), (763, 24915), (1057, 17985), (1155, 16459), (1199, 15855), (1635, 11627), (1661, 11445), (2265, 8393), (2289, 8305), (3171, 5995), (3597, 5285), (3815, 4983)]