919977948

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1112

約数の個数: 144

約数和(自身を含む): 2588185600

約数和(自身を除く): 1668207652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 43, 57, 62, 76, 86, 93, 114, 124, 129, 171, 172, 186, 228, 258, 279, 342, 372, 387, 516, 558, 589, 684, 774, 817, 1009, 1116, 1178, 1333, 1548, 1634, 1767, 2018, 2356, 2451, 2666, 3027, 3268, 3534, 3999, 4036, 4902, 5301, 5332, 6054, 7068, 7353, 7998, 9081, 9804, 10602, 11997, 12108, 14706, 15996, 18162, 19171, 21204, 23994, 25327, 29412, 31279, 36324, 38342, 43387, 47988, 50654, 57513, 62558, 75981, 76684, 86774, 93837, 101308, 115026, 125116, 130161, 151962, 172539, 173548, 187674, 227943, 230052, 260322, 281511, 303924, 345078, 375348, 390483, 455886, 520644, 563022, 594301, 690156, 780966, 824353, 911772, 1126044, 1188602, 1344997, 1561932, 1648706, 1782903, 2377204, 2473059, 2689994, 3297412, 3565806, 4034991, 4946118, 5348709, 5379988, 7131612, 7419177, 8069982, 9892236, 10697418, 12104973, 14838354, 16139964, 21394836, 24209946, 25554943, 29676708, 48419892, 51109886, 76664829, 102219772, 153329658, 229994487, 306659316, 459988974, 919977948]

約数ペア:

[(1, 919977948), (2, 459988974), (3, 306659316), (4, 229994487), (6, 153329658), (9, 102219772), (12, 76664829), (18, 51109886), (19, 48419892), (31, 29676708), (36, 25554943), (38, 24209946), (43, 21394836), (57, 16139964), (62, 14838354), (76, 12104973), (86, 10697418), (93, 9892236), (114, 8069982), (124, 7419177), (129, 7131612), (171, 5379988), (172, 5348709), (186, 4946118), (228, 4034991), (258, 3565806), (279, 3297412), (342, 2689994), (372, 2473059), (387, 2377204), (516, 1782903), (558, 1648706), (589, 1561932), (684, 1344997), (774, 1188602), (817, 1126044), (1009, 911772), (1116, 824353), (1178, 780966), (1333, 690156), (1548, 594301), (1634, 563022), (1767, 520644), (2018, 455886), (2356, 390483), (2451, 375348), (2666, 345078), (3027, 303924), (3268, 281511), (3534, 260322), (3999, 230052), (4036, 227943), (4902, 187674), (5301, 173548), (5332, 172539), (6054, 151962), (7068, 130161), (7353, 125116), (7998, 115026), (9081, 101308), (9804, 93837), (10602, 86774), (11997, 76684), (12108, 75981), (14706, 62558), (15996, 57513), (18162, 50654), (19171, 47988), (21204, 43387), (23994, 38342), (25327, 36324), (29412, 31279)]