19218732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 48568800

約数和(自身を除く): 29350068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 349, 353, 698, 706, 1047, 1059, 1396, 1412, 2094, 2118, 4188, 4236, 4537, 4589, 9074, 9178, 13611, 13767, 18148, 18356, 27222, 27534, 54444, 55068, 123197, 246394, 369591, 492788, 739182, 1478364, 1601561, 3203122, 4804683, 6406244, 9609366, 19218732]

約数ペア:

[(1, 19218732), (2, 9609366), (3, 6406244), (4, 4804683), (6, 3203122), (12, 1601561), (13, 1478364), (26, 739182), (39, 492788), (52, 369591), (78, 246394), (156, 123197), (349, 55068), (353, 54444), (698, 27534), (706, 27222), (1047, 18356), (1059, 18148), (1396, 13767), (1412, 13611), (2094, 9178), (2118, 9074), (4188, 4589), (4236, 4537)]