18278172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 51013872

約数和(自身を除く): 32735700

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 457, 606, 909, 914, 1111, 1212, 1371, 1818, 1828, 2222, 2742, 3333, 3636, 4113, 4444, 5027, 5484, 6666, 8226, 9999, 10054, 13332, 15081, 16452, 19998, 20108, 30162, 39996, 45243, 46157, 60324, 90486, 92314, 138471, 180972, 184628, 276942, 415413, 507727, 553884, 830826, 1015454, 1523181, 1661652, 2030908, 3046362, 4569543, 6092724, 9139086, 18278172]

約数ペア:

[(1, 18278172), (2, 9139086), (3, 6092724), (4, 4569543), (6, 3046362), (9, 2030908), (11, 1661652), (12, 1523181), (18, 1015454), (22, 830826), (33, 553884), (36, 507727), (44, 415413), (66, 276942), (99, 184628), (101, 180972), (132, 138471), (198, 92314), (202, 90486), (303, 60324), (396, 46157), (404, 45243), (457, 39996), (606, 30162), (909, 20108), (914, 19998), (1111, 16452), (1212, 15081), (1371, 13332), (1818, 10054), (1828, 9999), (2222, 8226), (2742, 6666), (3333, 5484), (3636, 5027), (4113, 4444)]