18281808

素因数分解:

$2^4\times 3^3\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:537

約数の個数: 80

約数和(自身を含む): 53121600

約数和(自身を除く): 34839792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 101, 108, 144, 202, 216, 303, 404, 419, 432, 606, 808, 838, 909, 1212, 1257, 1616, 1676, 1818, 2424, 2514, 2727, 3352, 3636, 3771, 4848, 5028, 5454, 6704, 7272, 7542, 10056, 10908, 11313, 14544, 15084, 20112, 21816, 22626, 30168, 42319, 43632, 45252, 60336, 84638, 90504, 126957, 169276, 181008, 253914, 338552, 380871, 507828, 677104, 761742, 1015656, 1142613, 1523484, 2031312, 2285226, 3046968, 4570452, 6093936, 9140904, 18281808]

約数ペア:

[(1, 18281808), (2, 9140904), (3, 6093936), (4, 4570452), (6, 3046968), (8, 2285226), (9, 2031312), (12, 1523484), (16, 1142613), (18, 1015656), (24, 761742), (27, 677104), (36, 507828), (48, 380871), (54, 338552), (72, 253914), (101, 181008), (108, 169276), (144, 126957), (202, 90504), (216, 84638), (303, 60336), (404, 45252), (419, 43632), (432, 42319), (606, 30168), (808, 22626), (838, 21816), (909, 20112), (1212, 15084), (1257, 14544), (1616, 11313), (1676, 10908), (1818, 10056), (2424, 7542), (2514, 7272), (2727, 6704), (3352, 5454), (3636, 5028), (3771, 4848)]