1999251972

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{62189}}^1$

素因数の和:62265

約数の個数: 72

約数和(自身を含む): 5432918400

約数和(自身を除く): 3433666428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 76, 94, 114, 141, 171, 188, 228, 282, 342, 423, 564, 684, 846, 893, 1692, 1786, 2679, 3572, 5358, 8037, 10716, 16074, 32148, 62189, 124378, 186567, 248756, 373134, 559701, 746268, 1119402, 1181591, 2238804, 2363182, 2922883, 3544773, 4726364, 5845766, 7089546, 8768649, 10634319, 11691532, 14179092, 17537298, 21268638, 26305947, 35074596, 42537276, 52611894, 55534777, 105223788, 111069554, 166604331, 222139108, 333208662, 499812993, 666417324, 999625986, 1999251972]

約数ペア:

[(1, 1999251972), (2, 999625986), (3, 666417324), (4, 499812993), (6, 333208662), (9, 222139108), (12, 166604331), (18, 111069554), (19, 105223788), (36, 55534777), (38, 52611894), (47, 42537276), (57, 35074596), (76, 26305947), (94, 21268638), (114, 17537298), (141, 14179092), (171, 11691532), (188, 10634319), (228, 8768649), (282, 7089546), (342, 5845766), (423, 4726364), (564, 3544773), (684, 2922883), (846, 2363182), (893, 2238804), (1692, 1181591), (1786, 1119402), (2679, 746268), (3572, 559701), (5358, 373134), (8037, 248756), (10716, 186567), (16074, 124378), (32148, 62189)]