19912857566

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2178173}}^1$

素因数の和:2178835

約数の個数: 16

約数和(自身を含む): 34188619104

約数和(自身を除く): 14275761538

約数列:

[1, 2, 7, 14, 653, 1306, 4571, 9142, 2178173, 4356346, 15247211, 30494422, 1422346969, 2844693938, 9956428783, 19912857566]

約数ペア:

[(1, 19912857566), (2, 9956428783), (7, 2844693938), (14, 1422346969), (653, 30494422), (1306, 15247211), (4571, 4356346), (9142, 2178173)]