19519808

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 112

約数和(自身を含む): 51352704

約数和(自身を除く): 31832896

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 64, 68, 77, 88, 112, 119, 136, 154, 176, 187, 224, 233, 238, 272, 308, 352, 374, 448, 466, 476, 544, 616, 704, 748, 932, 952, 1088, 1232, 1309, 1496, 1631, 1864, 1904, 2464, 2563, 2618, 2992, 3262, 3728, 3808, 3961, 4928, 5126, 5236, 5984, 6524, 7456, 7616, 7922, 10252, 10472, 11968, 13048, 14912, 15844, 17941, 20504, 20944, 26096, 27727, 31688, 35882, 41008, 41888, 43571, 52192, 55454, 63376, 71764, 82016, 83776, 87142, 104384, 110908, 126752, 143528, 164032, 174284, 221816, 253504, 287056, 304997, 348568, 443632, 574112, 609994, 697136, 887264, 1148224, 1219988, 1394272, 1774528, 2439976, 2788544, 4879952, 9759904, 19519808]

約数ペア:

[(1, 19519808), (2, 9759904), (4, 4879952), (7, 2788544), (8, 2439976), (11, 1774528), (14, 1394272), (16, 1219988), (17, 1148224), (22, 887264), (28, 697136), (32, 609994), (34, 574112), (44, 443632), (56, 348568), (64, 304997), (68, 287056), (77, 253504), (88, 221816), (112, 174284), (119, 164032), (136, 143528), (154, 126752), (176, 110908), (187, 104384), (224, 87142), (233, 83776), (238, 82016), (272, 71764), (308, 63376), (352, 55454), (374, 52192), (448, 43571), (466, 41888), (476, 41008), (544, 35882), (616, 31688), (704, 27727), (748, 26096), (932, 20944), (952, 20504), (1088, 17941), (1232, 15844), (1309, 14912), (1496, 13048), (1631, 11968), (1864, 10472), (1904, 10252), (2464, 7922), (2563, 7616), (2618, 7456), (2992, 6524), (3262, 5984), (3728, 5236), (3808, 5126), (3961, 4928)]