18996868814

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1\times {\mathrm{2683}}^1$

素因数の和:4725

約数の個数: 64

約数和(自身を含む): 37103616000

約数和(自身を除く): 18106747186

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 1999, 2683, 3542, 3998, 5366, 13993, 18781, 21989, 27986, 29513, 37562, 43978, 45977, 59026, 61709, 91954, 123418, 153923, 206591, 307846, 321839, 413182, 431963, 505747, 643678, 678799, 863926, 1011494, 1357598, 3540229, 4751593, 5363317, 7080458, 9503186, 10726634, 37543219, 58996487, 75086438, 117992974, 123356291, 246712582, 412975409, 825950818, 863494037, 1356919201, 1726988074, 2713838402, 9498434407, 18996868814]

約数ペア:

[(1, 18996868814), (2, 9498434407), (7, 2713838402), (11, 1726988074), (14, 1356919201), (22, 863494037), (23, 825950818), (46, 412975409), (77, 246712582), (154, 123356291), (161, 117992974), (253, 75086438), (322, 58996487), (506, 37543219), (1771, 10726634), (1999, 9503186), (2683, 7080458), (3542, 5363317), (3998, 4751593), (5366, 3540229), (13993, 1357598), (18781, 1011494), (21989, 863926), (27986, 678799), (29513, 643678), (37562, 505747), (43978, 431963), (45977, 413182), (59026, 321839), (61709, 307846), (91954, 206591), (123418, 153923)]