18378472

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 43315200

約数和(自身を除く): 24936728

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 92, 133, 152, 161, 184, 266, 322, 437, 532, 644, 751, 874, 1064, 1288, 1502, 1748, 3004, 3059, 3496, 5257, 6008, 6118, 10514, 12236, 14269, 17273, 21028, 24472, 28538, 34546, 42056, 57076, 69092, 99883, 114152, 120911, 138184, 199766, 241822, 328187, 399532, 483644, 656374, 799064, 967288, 1312748, 2297309, 2625496, 4594618, 9189236, 18378472]

約数ペア:

[(1, 18378472), (2, 9189236), (4, 4594618), (7, 2625496), (8, 2297309), (14, 1312748), (19, 967288), (23, 799064), (28, 656374), (38, 483644), (46, 399532), (56, 328187), (76, 241822), (92, 199766), (133, 138184), (152, 120911), (161, 114152), (184, 99883), (266, 69092), (322, 57076), (437, 42056), (532, 34546), (644, 28538), (751, 24472), (874, 21028), (1064, 17273), (1288, 14269), (1502, 12236), (1748, 10514), (3004, 6118), (3059, 6008), (3496, 5257)]