18697722

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 40848192

約数和(自身を除く): 22150470

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 82, 102, 123, 246, 263, 289, 526, 578, 697, 789, 867, 1394, 1578, 1734, 2091, 4182, 4471, 8942, 10783, 11849, 13413, 21566, 23698, 26826, 32349, 35547, 64698, 71094, 76007, 152014, 183311, 228021, 366622, 456042, 549933, 1099866, 3116287, 6232574, 9348861, 18697722]

約数ペア:

[(1, 18697722), (2, 9348861), (3, 6232574), (6, 3116287), (17, 1099866), (34, 549933), (41, 456042), (51, 366622), (82, 228021), (102, 183311), (123, 152014), (246, 76007), (263, 71094), (289, 64698), (526, 35547), (578, 32349), (697, 26826), (789, 23698), (867, 21566), (1394, 13413), (1578, 11849), (1734, 10783), (2091, 8942), (4182, 4471)]