19404272

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:885

約数の個数: 40

約数和(自身を含む): 39866496

約数和(自身を除く): 20462224

約数列:

[1, 2, 4, 8, 16, 23, 46, 67, 92, 134, 184, 268, 368, 536, 787, 1072, 1541, 1574, 3082, 3148, 6164, 6296, 12328, 12592, 18101, 24656, 36202, 52729, 72404, 105458, 144808, 210916, 289616, 421832, 843664, 1212767, 2425534, 4851068, 9702136, 19404272]

約数ペア:

[(1, 19404272), (2, 9702136), (4, 4851068), (8, 2425534), (16, 1212767), (23, 843664), (46, 421832), (67, 289616), (92, 210916), (134, 144808), (184, 105458), (268, 72404), (368, 52729), (536, 36202), (787, 24656), (1072, 18101), (1541, 12592), (1574, 12328), (3082, 6296), (3148, 6164)]