19161176840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1811}}^1\times {\mathrm{20347}}^1$

素因数の和:22182

約数の個数: 64

約数和(自身を含む): 46456925760

約数和(自身を除く): 27295748920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1811, 3622, 7244, 9055, 14488, 18110, 20347, 23543, 36220, 40694, 47086, 72440, 81388, 94172, 101735, 117715, 162776, 188344, 203470, 235430, 264511, 406940, 470860, 529022, 813880, 941720, 1058044, 1322555, 2116088, 2645110, 5290220, 10580440, 36848417, 73696834, 147393668, 184242085, 294787336, 368484170, 479029421, 736968340, 958058842, 1473936680, 1916117684, 2395147105, 3832235368, 4790294210, 9580588420, 19161176840]

約数ペア:

[(1, 19161176840), (2, 9580588420), (4, 4790294210), (5, 3832235368), (8, 2395147105), (10, 1916117684), (13, 1473936680), (20, 958058842), (26, 736968340), (40, 479029421), (52, 368484170), (65, 294787336), (104, 184242085), (130, 147393668), (260, 73696834), (520, 36848417), (1811, 10580440), (3622, 5290220), (7244, 2645110), (9055, 2116088), (14488, 1322555), (18110, 1058044), (20347, 941720), (23543, 813880), (36220, 529022), (40694, 470860), (47086, 406940), (72440, 264511), (81388, 235430), (94172, 203470), (101735, 188344), (117715, 162776)]