19156716

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2095

約数の個数: 48

約数和(自身を含む): 50248800

約数和(自身を除く): 31092084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 1993, 2403, 3204, 3986, 4806, 5979, 7972, 9612, 11958, 17937, 23916, 35874, 53811, 71748, 107622, 177377, 215244, 354754, 532131, 709508, 1064262, 1596393, 2128524, 3192786, 4789179, 6385572, 9578358, 19156716]

約数ペア:

[(1, 19156716), (2, 9578358), (3, 6385572), (4, 4789179), (6, 3192786), (9, 2128524), (12, 1596393), (18, 1064262), (27, 709508), (36, 532131), (54, 354754), (89, 215244), (108, 177377), (178, 107622), (267, 71748), (356, 53811), (534, 35874), (801, 23916), (1068, 17937), (1602, 11958), (1993, 9612), (2403, 7972), (3204, 5979), (3986, 4806)]