19745568

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 61621560

約数和(自身を除く): 41875992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 37, 48, 51, 68, 72, 74, 96, 102, 109, 111, 136, 144, 148, 153, 204, 218, 222, 272, 288, 296, 306, 327, 333, 408, 436, 444, 544, 592, 612, 629, 654, 666, 816, 872, 888, 981, 1184, 1224, 1258, 1308, 1332, 1632, 1744, 1776, 1853, 1887, 1962, 2448, 2516, 2616, 2664, 3488, 3552, 3706, 3774, 3924, 4033, 4896, 5032, 5232, 5328, 5559, 5661, 7412, 7548, 7848, 8066, 10064, 10464, 10656, 11118, 11322, 12099, 14824, 15096, 15696, 16132, 16677, 20128, 22236, 22644, 24198, 29648, 30192, 31392, 32264, 33354, 36297, 44472, 45288, 48396, 59296, 60384, 64528, 66708, 68561, 72594, 88944, 90576, 96792, 129056, 133416, 137122, 145188, 177888, 181152, 193584, 205683, 266832, 274244, 290376, 387168, 411366, 533664, 548488, 580752, 617049, 822732, 1096976, 1161504, 1234098, 1645464, 2193952, 2468196, 3290928, 4936392, 6581856, 9872784, 19745568]

約数ペア:

[(1, 19745568), (2, 9872784), (3, 6581856), (4, 4936392), (6, 3290928), (8, 2468196), (9, 2193952), (12, 1645464), (16, 1234098), (17, 1161504), (18, 1096976), (24, 822732), (32, 617049), (34, 580752), (36, 548488), (37, 533664), (48, 411366), (51, 387168), (68, 290376), (72, 274244), (74, 266832), (96, 205683), (102, 193584), (109, 181152), (111, 177888), (136, 145188), (144, 137122), (148, 133416), (153, 129056), (204, 96792), (218, 90576), (222, 88944), (272, 72594), (288, 68561), (296, 66708), (306, 64528), (327, 60384), (333, 59296), (408, 48396), (436, 45288), (444, 44472), (544, 36297), (592, 33354), (612, 32264), (629, 31392), (654, 30192), (666, 29648), (816, 24198), (872, 22644), (888, 22236), (981, 20128), (1184, 16677), (1224, 16132), (1258, 15696), (1308, 15096), (1332, 14824), (1632, 12099), (1744, 11322), (1776, 11118), (1853, 10656), (1887, 10464), (1962, 10064), (2448, 8066), (2516, 7848), (2616, 7548), (2664, 7412), (3488, 5661), (3552, 5559), (3706, 5328), (3774, 5232), (3924, 5032), (4033, 4896)]