19380688

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 38702880

約数和(自身を除く): 19322192

約数列:

[1, 2, 4, 8, 16, 67, 101, 134, 179, 202, 268, 358, 404, 536, 716, 808, 1072, 1432, 1616, 2864, 6767, 11993, 13534, 18079, 23986, 27068, 36158, 47972, 54136, 72316, 95944, 108272, 144632, 191888, 289264, 1211293, 2422586, 4845172, 9690344, 19380688]

約数ペア:

[(1, 19380688), (2, 9690344), (4, 4845172), (8, 2422586), (16, 1211293), (67, 289264), (101, 191888), (134, 144632), (179, 108272), (202, 95944), (268, 72316), (358, 54136), (404, 47972), (536, 36158), (716, 27068), (808, 23986), (1072, 18079), (1432, 13534), (1616, 11993), (2864, 6767)]