19488273

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 31887360

約数和(自身を除く): 12399087

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 691, 1343, 1659, 2073, 4029, 4837, 9401, 11747, 14511, 28203, 35241, 54589, 82229, 163767, 246687, 382123, 928013, 1146369, 2784039, 6496091, 19488273]

約数ペア:

[(1, 19488273), (3, 6496091), (7, 2784039), (17, 1146369), (21, 928013), (51, 382123), (79, 246687), (119, 163767), (237, 82229), (357, 54589), (553, 35241), (691, 28203), (1343, 14511), (1659, 11747), (2073, 9401), (4029, 4837)]