18744806588

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1\times {\mathrm{641}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 33664014720

約数和(自身を除く): 14919208132

約数列:

[1, 2, 4, 53, 106, 212, 271, 509, 542, 641, 1018, 1084, 1282, 2036, 2564, 14363, 26977, 28726, 33973, 53954, 57452, 67946, 107908, 135892, 137939, 173711, 275878, 326269, 347422, 551756, 652538, 694844, 1305076, 7310767, 9206683, 14621534, 17292257, 18413366, 29243068, 34584514, 36826732, 69169028, 88418899, 176837798, 353675596, 4686201647, 9372403294, 18744806588]

約数ペア:

[(1, 18744806588), (2, 9372403294), (4, 4686201647), (53, 353675596), (106, 176837798), (212, 88418899), (271, 69169028), (509, 36826732), (542, 34584514), (641, 29243068), (1018, 18413366), (1084, 17292257), (1282, 14621534), (2036, 9206683), (2564, 7310767), (14363, 1305076), (26977, 694844), (28726, 652538), (33973, 551756), (53954, 347422), (57452, 326269), (67946, 275878), (107908, 173711), (135892, 137939)]