18972648

素因数分解:

$2^3\times 3^2\times {\mathrm{101}}^1\times {\mathrm{2609}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 51912900

約数和(自身を除く): 32940252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 101, 202, 303, 404, 606, 808, 909, 1212, 1818, 2424, 2609, 3636, 5218, 7272, 7827, 10436, 15654, 20872, 23481, 31308, 46962, 62616, 93924, 187848, 263509, 527018, 790527, 1054036, 1581054, 2108072, 2371581, 3162108, 4743162, 6324216, 9486324, 18972648]

約数ペア:

[(1, 18972648), (2, 9486324), (3, 6324216), (4, 4743162), (6, 3162108), (8, 2371581), (9, 2108072), (12, 1581054), (18, 1054036), (24, 790527), (36, 527018), (72, 263509), (101, 187848), (202, 93924), (303, 62616), (404, 46962), (606, 31308), (808, 23481), (909, 20872), (1212, 15654), (1818, 10436), (2424, 7827), (2609, 7272), (3636, 5218)]