19894908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6553}}^1$

素因数の和:6594

約数の個数: 48

約数和(自身を含む): 52851456

約数和(自身を除く): 32956548

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 1012, 1518, 3036, 6553, 13106, 19659, 26212, 39318, 72083, 78636, 144166, 150719, 216249, 288332, 301438, 432498, 452157, 602876, 864996, 904314, 1657909, 1808628, 3315818, 4973727, 6631636, 9947454, 19894908]

約数ペア:

[(1, 19894908), (2, 9947454), (3, 6631636), (4, 4973727), (6, 3315818), (11, 1808628), (12, 1657909), (22, 904314), (23, 864996), (33, 602876), (44, 452157), (46, 432498), (66, 301438), (69, 288332), (92, 216249), (132, 150719), (138, 144166), (253, 78636), (276, 72083), (506, 39318), (759, 26212), (1012, 19659), (1518, 13106), (3036, 6553)]