19745334

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:450

約数の個数: 72

約数和(自身を含む): 50719968

約数和(自身を除く): 30974634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 61, 63, 98, 122, 126, 147, 183, 294, 366, 367, 427, 441, 549, 734, 854, 882, 1098, 1101, 1281, 2202, 2562, 2569, 2989, 3303, 3843, 5138, 5978, 6606, 7686, 7707, 8967, 15414, 17934, 17983, 22387, 23121, 26901, 35966, 44774, 46242, 53802, 53949, 67161, 107898, 134322, 156709, 161847, 201483, 313418, 323694, 402966, 470127, 940254, 1096963, 1410381, 2193926, 2820762, 3290889, 6581778, 9872667, 19745334]

約数ペア:

[(1, 19745334), (2, 9872667), (3, 6581778), (6, 3290889), (7, 2820762), (9, 2193926), (14, 1410381), (18, 1096963), (21, 940254), (42, 470127), (49, 402966), (61, 323694), (63, 313418), (98, 201483), (122, 161847), (126, 156709), (147, 134322), (183, 107898), (294, 67161), (366, 53949), (367, 53802), (427, 46242), (441, 44774), (549, 35966), (734, 26901), (854, 23121), (882, 22387), (1098, 17983), (1101, 17934), (1281, 15414), (2202, 8967), (2562, 7707), (2569, 7686), (2989, 6606), (3303, 5978), (3843, 5138)]