18947265708

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{1163}}^1$

素因数の和:1556

約数の個数: 144

約数和(自身を含む): 52165451520

約数和(自身を除く): 33218185812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 103, 147, 196, 206, 269, 294, 309, 412, 538, 588, 618, 721, 807, 1076, 1163, 1236, 1442, 1614, 1883, 2163, 2326, 2884, 3228, 3489, 3766, 4326, 4652, 5047, 5649, 6978, 7532, 8141, 8652, 10094, 11298, 13181, 13956, 15141, 16282, 20188, 22596, 24423, 26362, 27707, 30282, 32564, 39543, 48846, 52724, 55414, 56987, 60564, 79086, 83121, 97692, 110828, 113974, 119789, 158172, 166242, 170961, 193949, 227948, 239578, 312847, 332484, 341922, 359367, 387898, 479156, 581847, 625694, 683844, 718734, 775796, 838523, 938541, 1163694, 1251388, 1357643, 1437468, 1677046, 1877082, 2189929, 2327388, 2515569, 2715286, 3354092, 3754164, 4072929, 4379858, 5031138, 5430572, 5869661, 6569787, 8145858, 8759716, 10062276, 11739322, 13139574, 15329503, 16291716, 17608983, 23478644, 26279148, 30659006, 32223241, 35217966, 45988509, 61318012, 64446482, 70435932, 91977018, 96669723, 128892964, 183954036, 193339446, 225562687, 386678892, 451125374, 676688061, 902250748, 1353376122, 1578938809, 2706752244, 3157877618, 4736816427, 6315755236, 9473632854, 18947265708]

約数ペア:

[(1, 18947265708), (2, 9473632854), (3, 6315755236), (4, 4736816427), (6, 3157877618), (7, 2706752244), (12, 1578938809), (14, 1353376122), (21, 902250748), (28, 676688061), (42, 451125374), (49, 386678892), (84, 225562687), (98, 193339446), (103, 183954036), (147, 128892964), (196, 96669723), (206, 91977018), (269, 70435932), (294, 64446482), (309, 61318012), (412, 45988509), (538, 35217966), (588, 32223241), (618, 30659006), (721, 26279148), (807, 23478644), (1076, 17608983), (1163, 16291716), (1236, 15329503), (1442, 13139574), (1614, 11739322), (1883, 10062276), (2163, 8759716), (2326, 8145858), (2884, 6569787), (3228, 5869661), (3489, 5430572), (3766, 5031138), (4326, 4379858), (4652, 4072929), (5047, 3754164), (5649, 3354092), (6978, 2715286), (7532, 2515569), (8141, 2327388), (8652, 2189929), (10094, 1877082), (11298, 1677046), (13181, 1437468), (13956, 1357643), (15141, 1251388), (16282, 1163694), (20188, 938541), (22596, 838523), (24423, 775796), (26362, 718734), (27707, 683844), (30282, 625694), (32564, 581847), (39543, 479156), (48846, 387898), (52724, 359367), (55414, 341922), (56987, 332484), (60564, 312847), (79086, 239578), (83121, 227948), (97692, 193949), (110828, 170961), (113974, 166242), (119789, 158172)]