1806261704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 3694602240

約数和(自身を除く): 1888340536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 331, 383, 548, 662, 766, 1096, 1324, 1532, 1781, 2648, 3064, 3562, 4303, 4979, 7124, 8606, 9958, 14248, 17212, 19916, 34424, 39832, 45347, 52471, 90694, 104942, 126773, 181388, 209884, 253546, 362776, 419768, 507092, 589511, 682123, 1014184, 1179022, 1364246, 1648049, 2358044, 2728492, 3296098, 4716088, 5456984, 6592196, 13184392, 17367901, 34735802, 69471604, 138943208, 225782713, 451565426, 903130852, 1806261704]

約数ペア:

[(1, 1806261704), (2, 903130852), (4, 451565426), (8, 225782713), (13, 138943208), (26, 69471604), (52, 34735802), (104, 17367901), (137, 13184392), (274, 6592196), (331, 5456984), (383, 4716088), (548, 3296098), (662, 2728492), (766, 2358044), (1096, 1648049), (1324, 1364246), (1532, 1179022), (1781, 1014184), (2648, 682123), (3064, 589511), (3562, 507092), (4303, 419768), (4979, 362776), (7124, 253546), (8606, 209884), (9958, 181388), (14248, 126773), (17212, 104942), (19916, 90694), (34424, 52471), (39832, 45347)]