1999011812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2287}}^1$

素因数の和:2401

約数の個数: 96

約数和(自身を含む): 4428103680

約数和(自身を除く): 2429091868

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 53, 62, 76, 106, 124, 133, 212, 217, 266, 371, 434, 532, 589, 742, 868, 1007, 1178, 1484, 1643, 2014, 2287, 2356, 3286, 4028, 4123, 4574, 6572, 7049, 8246, 9148, 11501, 14098, 16009, 16492, 23002, 28196, 31217, 32018, 43453, 46004, 62434, 64036, 70897, 86906, 121211, 124868, 141794, 173812, 218519, 242422, 283588, 304171, 437038, 484844, 496279, 608342, 848477, 874076, 992558, 1216684, 1347043, 1696954, 1985116, 2303009, 2694086, 3393908, 3757541, 4606018, 5388172, 7515082, 9212036, 9429301, 15030164, 16121063, 18858602, 26302787, 32242126, 37717204, 52605574, 64484252, 71393279, 105211148, 142786558, 285573116, 499752953, 999505906, 1999011812]

約数ペア:

[(1, 1999011812), (2, 999505906), (4, 499752953), (7, 285573116), (14, 142786558), (19, 105211148), (28, 71393279), (31, 64484252), (38, 52605574), (53, 37717204), (62, 32242126), (76, 26302787), (106, 18858602), (124, 16121063), (133, 15030164), (212, 9429301), (217, 9212036), (266, 7515082), (371, 5388172), (434, 4606018), (532, 3757541), (589, 3393908), (742, 2694086), (868, 2303009), (1007, 1985116), (1178, 1696954), (1484, 1347043), (1643, 1216684), (2014, 992558), (2287, 874076), (2356, 848477), (3286, 608342), (4028, 496279), (4123, 484844), (4574, 437038), (6572, 304171), (7049, 283588), (8246, 242422), (9148, 218519), (11501, 173812), (14098, 141794), (16009, 124868), (16492, 121211), (23002, 86906), (28196, 70897), (31217, 64036), (32018, 62434), (43453, 46004)]