19978387488

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{8929}}^1$

素因数の和:9419

約数の個数: 144

約数和(自身を含む): 60293895480

約数和(自身を除く): 40315507992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 457, 544, 612, 816, 914, 1224, 1371, 1632, 1828, 2448, 2742, 3656, 4113, 4896, 5484, 7312, 7769, 8226, 8929, 10968, 14624, 15538, 16452, 17858, 21936, 23307, 26787, 31076, 32904, 35716, 43872, 46614, 53574, 62152, 65808, 69921, 71432, 80361, 93228, 107148, 124304, 131616, 139842, 142864, 151793, 160722, 186456, 214296, 248608, 279684, 285728, 303586, 321444, 372912, 428592, 455379, 559368, 607172, 642888, 745824, 857184, 910758, 1118736, 1214344, 1285776, 1366137, 1821516, 2237472, 2428688, 2571552, 2732274, 3643032, 4080553, 4857376, 5464548, 7286064, 8161106, 10929096, 12241659, 14572128, 16322212, 21858192, 24483318, 32644424, 36724977, 43716384, 48966636, 65288848, 69369401, 73449954, 97933272, 130577696, 138738802, 146899908, 195866544, 208108203, 277477604, 293799816, 391733088, 416216406, 554955208, 587599632, 624324609, 832432812, 1109910416, 1175199264, 1248649218, 1664865624, 2219820832, 2497298436, 3329731248, 4994596872, 6659462496, 9989193744, 19978387488]

約数ペア:

[(1, 19978387488), (2, 9989193744), (3, 6659462496), (4, 4994596872), (6, 3329731248), (8, 2497298436), (9, 2219820832), (12, 1664865624), (16, 1248649218), (17, 1175199264), (18, 1109910416), (24, 832432812), (32, 624324609), (34, 587599632), (36, 554955208), (48, 416216406), (51, 391733088), (68, 293799816), (72, 277477604), (96, 208108203), (102, 195866544), (136, 146899908), (144, 138738802), (153, 130577696), (204, 97933272), (272, 73449954), (288, 69369401), (306, 65288848), (408, 48966636), (457, 43716384), (544, 36724977), (612, 32644424), (816, 24483318), (914, 21858192), (1224, 16322212), (1371, 14572128), (1632, 12241659), (1828, 10929096), (2448, 8161106), (2742, 7286064), (3656, 5464548), (4113, 4857376), (4896, 4080553), (5484, 3643032), (7312, 2732274), (7769, 2571552), (8226, 2428688), (8929, 2237472), (10968, 1821516), (14624, 1366137), (15538, 1285776), (16452, 1214344), (17858, 1118736), (21936, 910758), (23307, 857184), (26787, 745824), (31076, 642888), (32904, 607172), (35716, 559368), (43872, 455379), (46614, 428592), (53574, 372912), (62152, 321444), (65808, 303586), (69921, 285728), (71432, 279684), (80361, 248608), (93228, 214296), (107148, 186456), (124304, 160722), (131616, 151793), (139842, 142864)]