19854972

素因数分解:

$2^2\times 3^2\times {\mathrm{467}}^1\times {\mathrm{1181}}^1$

素因数の和:1658

約数の個数: 36

約数和(自身を含む): 50339016

約数和(自身を除く): 30484044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 467, 934, 1181, 1401, 1868, 2362, 2802, 3543, 4203, 4724, 5604, 7086, 8406, 10629, 14172, 16812, 21258, 42516, 551527, 1103054, 1654581, 2206108, 3309162, 4963743, 6618324, 9927486, 19854972]

約数ペア:

[(1, 19854972), (2, 9927486), (3, 6618324), (4, 4963743), (6, 3309162), (9, 2206108), (12, 1654581), (18, 1103054), (36, 551527), (467, 42516), (934, 21258), (1181, 16812), (1401, 14172), (1868, 10629), (2362, 8406), (2802, 7086), (3543, 5604), (4203, 4724)]