1999791648

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11789}}^1$

素因数の和:11855

約数の個数: 144

約数和(自身を含む): 6179846400

約数和(自身を除く): 4180054752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 62, 72, 76, 93, 96, 114, 124, 144, 152, 171, 186, 228, 248, 279, 288, 304, 342, 372, 456, 496, 558, 589, 608, 684, 744, 912, 992, 1116, 1178, 1368, 1488, 1767, 1824, 2232, 2356, 2736, 2976, 3534, 4464, 4712, 5301, 5472, 7068, 8928, 9424, 10602, 11789, 14136, 18848, 21204, 23578, 28272, 35367, 42408, 47156, 56544, 70734, 84816, 94312, 106101, 141468, 169632, 188624, 212202, 223991, 282936, 365459, 377248, 424404, 447982, 565872, 671973, 730918, 848808, 895964, 1096377, 1131744, 1343946, 1461836, 1697616, 1791928, 2015919, 2192754, 2687892, 2923672, 3289131, 3395232, 3583856, 4031838, 4385508, 5375784, 5847344, 6578262, 6943721, 7167712, 8063676, 8771016, 10751568, 11694688, 13156524, 13887442, 16127352, 17542032, 20831163, 21503136, 26313048, 27774884, 32254704, 35084064, 41662326, 52626096, 55549768, 62493489, 64509408, 83324652, 105252192, 111099536, 124986978, 166649304, 222199072, 249973956, 333298608, 499947912, 666597216, 999895824, 1999791648]

約数ペア:

[(1, 1999791648), (2, 999895824), (3, 666597216), (4, 499947912), (6, 333298608), (8, 249973956), (9, 222199072), (12, 166649304), (16, 124986978), (18, 111099536), (19, 105252192), (24, 83324652), (31, 64509408), (32, 62493489), (36, 55549768), (38, 52626096), (48, 41662326), (57, 35084064), (62, 32254704), (72, 27774884), (76, 26313048), (93, 21503136), (96, 20831163), (114, 17542032), (124, 16127352), (144, 13887442), (152, 13156524), (171, 11694688), (186, 10751568), (228, 8771016), (248, 8063676), (279, 7167712), (288, 6943721), (304, 6578262), (342, 5847344), (372, 5375784), (456, 4385508), (496, 4031838), (558, 3583856), (589, 3395232), (608, 3289131), (684, 2923672), (744, 2687892), (912, 2192754), (992, 2015919), (1116, 1791928), (1178, 1697616), (1368, 1461836), (1488, 1343946), (1767, 1131744), (1824, 1096377), (2232, 895964), (2356, 848808), (2736, 730918), (2976, 671973), (3534, 565872), (4464, 447982), (4712, 424404), (5301, 377248), (5472, 365459), (7068, 282936), (8928, 223991), (9424, 212202), (10602, 188624), (11789, 169632), (14136, 141468), (18848, 106101), (21204, 94312), (23578, 84816), (28272, 70734), (35367, 56544), (42408, 47156)]