19356402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 45198720

約数和(自身を除く): 25842318

約数列:

[1, 2, 3, 6, 13, 19, 26, 37, 38, 39, 57, 74, 78, 111, 114, 222, 247, 353, 481, 494, 703, 706, 741, 962, 1059, 1406, 1443, 1482, 2109, 2118, 2886, 4218, 4589, 6707, 9139, 9178, 13061, 13414, 13767, 18278, 20121, 26122, 27417, 27534, 39183, 40242, 54834, 78366, 87191, 169793, 174382, 248159, 261573, 339586, 496318, 509379, 523146, 744477, 1018758, 1488954, 3226067, 6452134, 9678201, 19356402]

約数ペア:

[(1, 19356402), (2, 9678201), (3, 6452134), (6, 3226067), (13, 1488954), (19, 1018758), (26, 744477), (37, 523146), (38, 509379), (39, 496318), (57, 339586), (74, 261573), (78, 248159), (111, 174382), (114, 169793), (222, 87191), (247, 78366), (353, 54834), (481, 40242), (494, 39183), (703, 27534), (706, 27417), (741, 26122), (962, 20121), (1059, 18278), (1406, 13767), (1443, 13414), (1482, 13061), (2109, 9178), (2118, 9139), (2886, 6707), (4218, 4589)]