1912319860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{967}}^1$

素因数の和:1177

約数の個数: 96

約数和(自身を含む): 4478664960

約数和(自身を除く): 2566345100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 101, 110, 178, 202, 220, 356, 404, 445, 505, 890, 967, 979, 1010, 1111, 1780, 1934, 1958, 2020, 2222, 3868, 3916, 4444, 4835, 4895, 5555, 8989, 9670, 9790, 10637, 11110, 17978, 19340, 19580, 21274, 22220, 35956, 42548, 44945, 53185, 86063, 89890, 97667, 98879, 106370, 172126, 179780, 195334, 197758, 212740, 344252, 390668, 395516, 430315, 488335, 494395, 860630, 946693, 976670, 988790, 1074337, 1721260, 1893386, 1953340, 1977580, 2148674, 3786772, 4297348, 4733465, 5371685, 8692363, 9466930, 10743370, 17384726, 18933860, 21486740, 34769452, 43461815, 86923630, 95615993, 173847260, 191231986, 382463972, 478079965, 956159930, 1912319860]

約数ペア:

[(1, 1912319860), (2, 956159930), (4, 478079965), (5, 382463972), (10, 191231986), (11, 173847260), (20, 95615993), (22, 86923630), (44, 43461815), (55, 34769452), (89, 21486740), (101, 18933860), (110, 17384726), (178, 10743370), (202, 9466930), (220, 8692363), (356, 5371685), (404, 4733465), (445, 4297348), (505, 3786772), (890, 2148674), (967, 1977580), (979, 1953340), (1010, 1893386), (1111, 1721260), (1780, 1074337), (1934, 988790), (1958, 976670), (2020, 946693), (2222, 860630), (3868, 494395), (3916, 488335), (4444, 430315), (4835, 395516), (4895, 390668), (5555, 344252), (8989, 212740), (9670, 197758), (9790, 195334), (10637, 179780), (11110, 172126), (17978, 106370), (19340, 98879), (19580, 97667), (21274, 89890), (22220, 86063), (35956, 53185), (42548, 44945)]