19993512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 44518488

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 124, 132, 154, 168, 186, 217, 231, 248, 264, 308, 341, 349, 372, 434, 462, 616, 651, 682, 698, 744, 868, 924, 1023, 1047, 1302, 1364, 1396, 1736, 1848, 2046, 2094, 2387, 2443, 2604, 2728, 2792, 3839, 4092, 4188, 4774, 4886, 5208, 7161, 7329, 7678, 8184, 8376, 9548, 9772, 10819, 11517, 14322, 14658, 15356, 19096, 19544, 21638, 23034, 26873, 28644, 29316, 30712, 32457, 43276, 46068, 53746, 57288, 58632, 64914, 75733, 80619, 86552, 92136, 107492, 119009, 129828, 151466, 161238, 214984, 227199, 238018, 259656, 302932, 322476, 357027, 454398, 476036, 605864, 644952, 714054, 833063, 908796, 952072, 1428108, 1666126, 1817592, 2499189, 2856216, 3332252, 4998378, 6664504, 9996756, 19993512]

約数ペア:

[(1, 19993512), (2, 9996756), (3, 6664504), (4, 4998378), (6, 3332252), (7, 2856216), (8, 2499189), (11, 1817592), (12, 1666126), (14, 1428108), (21, 952072), (22, 908796), (24, 833063), (28, 714054), (31, 644952), (33, 605864), (42, 476036), (44, 454398), (56, 357027), (62, 322476), (66, 302932), (77, 259656), (84, 238018), (88, 227199), (93, 214984), (124, 161238), (132, 151466), (154, 129828), (168, 119009), (186, 107492), (217, 92136), (231, 86552), (248, 80619), (264, 75733), (308, 64914), (341, 58632), (349, 57288), (372, 53746), (434, 46068), (462, 43276), (616, 32457), (651, 30712), (682, 29316), (698, 28644), (744, 26873), (868, 23034), (924, 21638), (1023, 19544), (1047, 19096), (1302, 15356), (1364, 14658), (1396, 14322), (1736, 11517), (1848, 10819), (2046, 9772), (2094, 9548), (2387, 8376), (2443, 8184), (2604, 7678), (2728, 7329), (2792, 7161), (3839, 5208), (4092, 4886), (4188, 4774)]