19655664

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 60473808

約数和(自身を除く): 40818144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 61, 84, 98, 112, 122, 137, 147, 168, 183, 196, 244, 274, 294, 336, 366, 392, 411, 427, 488, 548, 588, 732, 784, 822, 854, 959, 976, 1096, 1176, 1281, 1464, 1644, 1708, 1918, 2192, 2352, 2562, 2877, 2928, 2989, 3288, 3416, 3836, 5124, 5754, 5978, 6576, 6713, 6832, 7672, 8357, 8967, 10248, 11508, 11956, 13426, 15344, 16714, 17934, 20139, 20496, 23016, 23912, 25071, 26852, 33428, 35868, 40278, 46032, 47824, 50142, 53704, 58499, 66856, 71736, 80556, 100284, 107408, 116998, 133712, 143472, 161112, 175497, 200568, 233996, 322224, 350994, 401136, 409493, 467992, 701988, 818986, 935984, 1228479, 1403976, 1637972, 2456958, 2807952, 3275944, 4913916, 6551888, 9827832, 19655664]

約数ペア:

[(1, 19655664), (2, 9827832), (3, 6551888), (4, 4913916), (6, 3275944), (7, 2807952), (8, 2456958), (12, 1637972), (14, 1403976), (16, 1228479), (21, 935984), (24, 818986), (28, 701988), (42, 467992), (48, 409493), (49, 401136), (56, 350994), (61, 322224), (84, 233996), (98, 200568), (112, 175497), (122, 161112), (137, 143472), (147, 133712), (168, 116998), (183, 107408), (196, 100284), (244, 80556), (274, 71736), (294, 66856), (336, 58499), (366, 53704), (392, 50142), (411, 47824), (427, 46032), (488, 40278), (548, 35868), (588, 33428), (732, 26852), (784, 25071), (822, 23912), (854, 23016), (959, 20496), (976, 20139), (1096, 17934), (1176, 16714), (1281, 15344), (1464, 13426), (1644, 11956), (1708, 11508), (1918, 10248), (2192, 8967), (2352, 8357), (2562, 7672), (2877, 6832), (2928, 6713), (2989, 6576), (3288, 5978), (3416, 5754), (3836, 5124)]