19957354564

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1\times {\mathrm{709}}^1$

素因数の和:1253

約数の個数: 96

約数和(自身を含む): 42196492800

約数和(自身を除く): 22239138236

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 109, 161, 218, 322, 401, 436, 644, 709, 763, 802, 1418, 1526, 1604, 2507, 2807, 2836, 3052, 4963, 5014, 5614, 9223, 9926, 10028, 11228, 16307, 17549, 18446, 19852, 32614, 35098, 36892, 43709, 64561, 65228, 70196, 77281, 87418, 114149, 129122, 154562, 174836, 228298, 258244, 284309, 305963, 309124, 456596, 540967, 568618, 611926, 1005307, 1081934, 1137236, 1223852, 1777463, 1990163, 2010614, 2163868, 3554926, 3980326, 4021228, 6539107, 7037149, 7109852, 7960652, 12442241, 13078214, 14074298, 24884482, 26156428, 28148596, 30989681, 45773749, 49768964, 61979362, 91547498, 123958724, 183094996, 216927767, 433855534, 712762663, 867711068, 1425525326, 2851050652, 4989338641, 9978677282, 19957354564]

約数ペア:

[(1, 19957354564), (2, 9978677282), (4, 4989338641), (7, 2851050652), (14, 1425525326), (23, 867711068), (28, 712762663), (46, 433855534), (92, 216927767), (109, 183094996), (161, 123958724), (218, 91547498), (322, 61979362), (401, 49768964), (436, 45773749), (644, 30989681), (709, 28148596), (763, 26156428), (802, 24884482), (1418, 14074298), (1526, 13078214), (1604, 12442241), (2507, 7960652), (2807, 7109852), (2836, 7037149), (3052, 6539107), (4963, 4021228), (5014, 3980326), (5614, 3554926), (9223, 2163868), (9926, 2010614), (10028, 1990163), (11228, 1777463), (16307, 1223852), (17549, 1137236), (18446, 1081934), (19852, 1005307), (32614, 611926), (35098, 568618), (36892, 540967), (43709, 456596), (64561, 309124), (65228, 305963), (70196, 284309), (77281, 258244), (87418, 228298), (114149, 174836), (129122, 154562)]