19880424

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3015

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 37143576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 248, 279, 372, 558, 744, 837, 1116, 1674, 2232, 2969, 3348, 5938, 6696, 8907, 11876, 17814, 23752, 26721, 35628, 53442, 71256, 80163, 92039, 106884, 160326, 184078, 213768, 276117, 320652, 368156, 552234, 641304, 736312, 828351, 1104468, 1656702, 2208936, 2485053, 3313404, 4970106, 6626808, 9940212, 19880424]

約数ペア:

[(1, 19880424), (2, 9940212), (3, 6626808), (4, 4970106), (6, 3313404), (8, 2485053), (9, 2208936), (12, 1656702), (18, 1104468), (24, 828351), (27, 736312), (31, 641304), (36, 552234), (54, 368156), (62, 320652), (72, 276117), (93, 213768), (108, 184078), (124, 160326), (186, 106884), (216, 92039), (248, 80163), (279, 71256), (372, 53442), (558, 35628), (744, 26721), (837, 23752), (1116, 17814), (1674, 11876), (2232, 8907), (2969, 6696), (3348, 5938)]