18638944

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 38041920

約数和(自身を除く): 19402976

約数列:

[1, 2, 4, 8, 16, 32, 73, 79, 101, 146, 158, 202, 292, 316, 404, 584, 632, 808, 1168, 1264, 1616, 2336, 2528, 3232, 5767, 7373, 7979, 11534, 14746, 15958, 23068, 29492, 31916, 46136, 58984, 63832, 92272, 117968, 127664, 184544, 235936, 255328, 582467, 1164934, 2329868, 4659736, 9319472, 18638944]

約数ペア:

[(1, 18638944), (2, 9319472), (4, 4659736), (8, 2329868), (16, 1164934), (32, 582467), (73, 255328), (79, 235936), (101, 184544), (146, 127664), (158, 117968), (202, 92272), (292, 63832), (316, 58984), (404, 46136), (584, 31916), (632, 29492), (808, 23068), (1168, 15958), (1264, 14746), (1616, 11534), (2336, 7979), (2528, 7373), (3232, 5767)]