19696656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 61073472

約数和(自身を除く): 41376816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 61, 62, 84, 93, 112, 122, 124, 168, 183, 186, 217, 244, 248, 336, 366, 372, 427, 434, 488, 496, 651, 732, 744, 854, 868, 961, 976, 1281, 1302, 1464, 1488, 1708, 1736, 1891, 1922, 2562, 2604, 2883, 2928, 3416, 3472, 3782, 3844, 5124, 5208, 5673, 5766, 6727, 6832, 7564, 7688, 10248, 10416, 11346, 11532, 13237, 13454, 15128, 15376, 20181, 20496, 22692, 23064, 26474, 26908, 30256, 39711, 40362, 45384, 46128, 52948, 53816, 58621, 79422, 80724, 90768, 105896, 107632, 117242, 158844, 161448, 175863, 211792, 234484, 317688, 322896, 351726, 410347, 468968, 635376, 703452, 820694, 937936, 1231041, 1406904, 1641388, 2462082, 2813808, 3282776, 4924164, 6565552, 9848328, 19696656]

約数ペア:

[(1, 19696656), (2, 9848328), (3, 6565552), (4, 4924164), (6, 3282776), (7, 2813808), (8, 2462082), (12, 1641388), (14, 1406904), (16, 1231041), (21, 937936), (24, 820694), (28, 703452), (31, 635376), (42, 468968), (48, 410347), (56, 351726), (61, 322896), (62, 317688), (84, 234484), (93, 211792), (112, 175863), (122, 161448), (124, 158844), (168, 117242), (183, 107632), (186, 105896), (217, 90768), (244, 80724), (248, 79422), (336, 58621), (366, 53816), (372, 52948), (427, 46128), (434, 45384), (488, 40362), (496, 39711), (651, 30256), (732, 26908), (744, 26474), (854, 23064), (868, 22692), (961, 20496), (976, 20181), (1281, 15376), (1302, 15128), (1464, 13454), (1488, 13237), (1708, 11532), (1736, 11346), (1891, 10416), (1922, 10248), (2562, 7688), (2604, 7564), (2883, 6832), (2928, 6727), (3416, 5766), (3472, 5673), (3782, 5208), (3844, 5124)]