18774252

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:420

約数の個数: 108

約数和(自身を含む): 57264480

約数和(自身を除く): 38490228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 49, 58, 63, 84, 87, 98, 116, 126, 147, 174, 196, 203, 252, 261, 294, 348, 367, 406, 441, 522, 588, 609, 734, 812, 882, 1044, 1101, 1218, 1421, 1468, 1764, 1827, 2202, 2436, 2569, 2842, 3303, 3654, 4263, 4404, 5138, 5684, 6606, 7308, 7707, 8526, 10276, 10643, 12789, 13212, 15414, 17052, 17983, 21286, 23121, 25578, 30828, 31929, 35966, 42572, 46242, 51156, 53949, 63858, 71932, 74501, 92484, 95787, 107898, 127716, 149002, 161847, 191574, 215796, 223503, 298004, 323694, 383148, 447006, 521507, 647388, 670509, 894012, 1043014, 1341018, 1564521, 2086028, 2682036, 3129042, 4693563, 6258084, 9387126, 18774252]

約数ペア:

[(1, 18774252), (2, 9387126), (3, 6258084), (4, 4693563), (6, 3129042), (7, 2682036), (9, 2086028), (12, 1564521), (14, 1341018), (18, 1043014), (21, 894012), (28, 670509), (29, 647388), (36, 521507), (42, 447006), (49, 383148), (58, 323694), (63, 298004), (84, 223503), (87, 215796), (98, 191574), (116, 161847), (126, 149002), (147, 127716), (174, 107898), (196, 95787), (203, 92484), (252, 74501), (261, 71932), (294, 63858), (348, 53949), (367, 51156), (406, 46242), (441, 42572), (522, 35966), (588, 31929), (609, 30828), (734, 25578), (812, 23121), (882, 21286), (1044, 17983), (1101, 17052), (1218, 15414), (1421, 13212), (1468, 12789), (1764, 10643), (1827, 10276), (2202, 8526), (2436, 7707), (2569, 7308), (2842, 6606), (3303, 5684), (3654, 5138), (4263, 4404)]