18491303090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1\times {\mathrm{761}}^1$

素因数の和:1647

約数の個数: 64

約数和(自身を含む): 36058266720

約数和(自身を除く): 17566963630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 457, 761, 818, 914, 1522, 2045, 2285, 3805, 4090, 4570, 5317, 5941, 7610, 9893, 10634, 11882, 19786, 26585, 29705, 49465, 53170, 59410, 98930, 186913, 311249, 347777, 373826, 622498, 695554, 934565, 1556245, 1738885, 1869130, 2429869, 3112490, 3477770, 4046237, 4521101, 4859738, 8092474, 9042202, 12149345, 20231185, 22605505, 24298690, 40462370, 45211010, 142240793, 284481586, 711203965, 1422407930, 1849130309, 3698260618, 9245651545, 18491303090]

約数ペア:

[(1, 18491303090), (2, 9245651545), (5, 3698260618), (10, 1849130309), (13, 1422407930), (26, 711203965), (65, 284481586), (130, 142240793), (409, 45211010), (457, 40462370), (761, 24298690), (818, 22605505), (914, 20231185), (1522, 12149345), (2045, 9042202), (2285, 8092474), (3805, 4859738), (4090, 4521101), (4570, 4046237), (5317, 3477770), (5941, 3112490), (7610, 2429869), (9893, 1869130), (10634, 1738885), (11882, 1556245), (19786, 934565), (26585, 695554), (29705, 622498), (49465, 373826), (53170, 347777), (59410, 311249), (98930, 186913)]