19998528

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:600

約数の個数: 112

約数和(自身を含む): 61228224

約数和(自身を除く): 41229696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 64, 66, 68, 88, 96, 102, 132, 136, 176, 187, 192, 204, 264, 272, 352, 374, 408, 528, 544, 557, 561, 704, 748, 816, 1056, 1088, 1114, 1122, 1496, 1632, 1671, 2112, 2228, 2244, 2992, 3264, 3342, 4456, 4488, 5984, 6127, 6684, 8912, 8976, 9469, 11968, 12254, 13368, 17824, 17952, 18381, 18938, 24508, 26736, 28407, 35648, 35904, 36762, 37876, 49016, 53472, 56814, 73524, 75752, 98032, 104159, 106944, 113628, 147048, 151504, 196064, 208318, 227256, 294096, 303008, 312477, 392128, 416636, 454512, 588192, 606016, 624954, 833272, 909024, 1176384, 1249908, 1666544, 1818048, 2499816, 3333088, 4999632, 6666176, 9999264, 19998528]

約数ペア:

[(1, 19998528), (2, 9999264), (3, 6666176), (4, 4999632), (6, 3333088), (8, 2499816), (11, 1818048), (12, 1666544), (16, 1249908), (17, 1176384), (22, 909024), (24, 833272), (32, 624954), (33, 606016), (34, 588192), (44, 454512), (48, 416636), (51, 392128), (64, 312477), (66, 303008), (68, 294096), (88, 227256), (96, 208318), (102, 196064), (132, 151504), (136, 147048), (176, 113628), (187, 106944), (192, 104159), (204, 98032), (264, 75752), (272, 73524), (352, 56814), (374, 53472), (408, 49016), (528, 37876), (544, 36762), (557, 35904), (561, 35648), (704, 28407), (748, 26736), (816, 24508), (1056, 18938), (1088, 18381), (1114, 17952), (1122, 17824), (1496, 13368), (1632, 12254), (1671, 11968), (2112, 9469), (2228, 8976), (2244, 8912), (2992, 6684), (3264, 6127), (3342, 5984), (4456, 4488)]