19619652

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4057}}^1$

素因数の和:4108

約数の個数: 48

約数和(自身を含む): 50903552

約数和(自身を除く): 31283900

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4057, 4836, 8114, 12171, 16228, 24342, 48684, 52741, 105482, 125767, 158223, 210964, 251534, 316446, 377301, 503068, 632892, 754602, 1509204, 1634971, 3269942, 4904913, 6539884, 9809826, 19619652]

約数ペア:

[(1, 19619652), (2, 9809826), (3, 6539884), (4, 4904913), (6, 3269942), (12, 1634971), (13, 1509204), (26, 754602), (31, 632892), (39, 503068), (52, 377301), (62, 316446), (78, 251534), (93, 210964), (124, 158223), (156, 125767), (186, 105482), (372, 52741), (403, 48684), (806, 24342), (1209, 16228), (1612, 12171), (2418, 8114), (4057, 4836)]