18811962

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4729}}^1$

素因数の和:4767

約数の個数: 48

約数和(自身を含む): 46486440

約数和(自身を除く): 27674478

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4729, 9458, 14187, 28374, 42561, 61477, 80393, 85122, 122954, 160786, 184431, 241179, 368862, 482358, 553293, 723537, 1045109, 1106586, 1447074, 2090218, 3135327, 6270654, 9405981, 18811962]

約数ペア:

[(1, 18811962), (2, 9405981), (3, 6270654), (6, 3135327), (9, 2090218), (13, 1447074), (17, 1106586), (18, 1045109), (26, 723537), (34, 553293), (39, 482358), (51, 368862), (78, 241179), (102, 184431), (117, 160786), (153, 122954), (221, 85122), (234, 80393), (306, 61477), (442, 42561), (663, 28374), (1326, 14187), (1989, 9458), (3978, 4729)]