19930946048

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{230341}}^1$

素因数の和:230385

約数の個数: 60

約数和(自身を含む): 43122095478

約数和(自身を除く): 23191149430

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 512, 676, 832, 1352, 1664, 2704, 3328, 5408, 6656, 10816, 21632, 43264, 86528, 230341, 460682, 921364, 1842728, 2994433, 3685456, 5988866, 7370912, 11977732, 14741824, 23955464, 29483648, 38927629, 47910928, 58967296, 77855258, 95821856, 117934592, 155710516, 191643712, 311421032, 383287424, 622842064, 766574848, 1245684128, 1533149696, 2491368256, 4982736512, 9965473024, 19930946048]

約数ペア:

[(1, 19930946048), (2, 9965473024), (4, 4982736512), (8, 2491368256), (13, 1533149696), (16, 1245684128), (26, 766574848), (32, 622842064), (52, 383287424), (64, 311421032), (104, 191643712), (128, 155710516), (169, 117934592), (208, 95821856), (256, 77855258), (338, 58967296), (416, 47910928), (512, 38927629), (676, 29483648), (832, 23955464), (1352, 14741824), (1664, 11977732), (2704, 7370912), (3328, 5988866), (5408, 3685456), (6656, 2994433), (10816, 1842728), (21632, 921364), (43264, 460682), (86528, 230341)]