1999694556

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 5349996288

約数和(自身を除く): 3350301732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 101, 113, 124, 157, 186, 202, 226, 279, 303, 314, 339, 372, 404, 452, 471, 558, 606, 628, 678, 909, 942, 1017, 1116, 1212, 1356, 1413, 1818, 1884, 2034, 2826, 3131, 3503, 3636, 4068, 4867, 5652, 6262, 7006, 9393, 9734, 10509, 11413, 12524, 14012, 14601, 15857, 17741, 18786, 19468, 21018, 22826, 28179, 29202, 31527, 31714, 34239, 35482, 37572, 42036, 43803, 45652, 47571, 53223, 56358, 58404, 63054, 63428, 68478, 70964, 87606, 95142, 102717, 106446, 112716, 126108, 136956, 142713, 159669, 175212, 190284, 205434, 212892, 285426, 319338, 353803, 410868, 491567, 549971, 570852, 638676, 707606, 983134, 1061409, 1099942, 1415212, 1474701, 1649913, 1791841, 1966268, 2122818, 2199884, 2949402, 3184227, 3299826, 3583682, 4245636, 4424103, 4949739, 5375523, 5898804, 6368454, 6599652, 7167364, 8848206, 9899478, 10751046, 12736908, 16126569, 17696412, 19798956, 21502092, 32253138, 55547071, 64506276, 111094142, 166641213, 222188284, 333282426, 499923639, 666564852, 999847278, 1999694556]

約数ペア:

[(1, 1999694556), (2, 999847278), (3, 666564852), (4, 499923639), (6, 333282426), (9, 222188284), (12, 166641213), (18, 111094142), (31, 64506276), (36, 55547071), (62, 32253138), (93, 21502092), (101, 19798956), (113, 17696412), (124, 16126569), (157, 12736908), (186, 10751046), (202, 9899478), (226, 8848206), (279, 7167364), (303, 6599652), (314, 6368454), (339, 5898804), (372, 5375523), (404, 4949739), (452, 4424103), (471, 4245636), (558, 3583682), (606, 3299826), (628, 3184227), (678, 2949402), (909, 2199884), (942, 2122818), (1017, 1966268), (1116, 1791841), (1212, 1649913), (1356, 1474701), (1413, 1415212), (1818, 1099942), (1884, 1061409), (2034, 983134), (2826, 707606), (3131, 638676), (3503, 570852), (3636, 549971), (4068, 491567), (4867, 410868), (5652, 353803), (6262, 319338), (7006, 285426), (9393, 212892), (9734, 205434), (10509, 190284), (11413, 175212), (12524, 159669), (14012, 142713), (14601, 136956), (15857, 126108), (17741, 112716), (18786, 106446), (19468, 102717), (21018, 95142), (22826, 87606), (28179, 70964), (29202, 68478), (31527, 63428), (31714, 63054), (34239, 58404), (35482, 56358), (37572, 53223), (42036, 47571), (43803, 45652)]