18748674

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{733}}^1$

素因数の和:784

約数の個数: 72

約数和(自身を含む): 48950460

約数和(自身を除く): 30201786

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 733, 882, 1218, 1421, 1466, 1827, 2199, 2842, 3654, 4263, 4398, 5131, 6597, 8526, 10262, 12789, 13194, 15393, 21257, 25578, 30786, 35917, 42514, 46179, 63771, 71834, 92358, 107751, 127542, 148799, 191313, 215502, 297598, 323253, 382626, 446397, 646506, 892794, 1041593, 1339191, 2083186, 2678382, 3124779, 6249558, 9374337, 18748674]

約数ペア:

[(1, 18748674), (2, 9374337), (3, 6249558), (6, 3124779), (7, 2678382), (9, 2083186), (14, 1339191), (18, 1041593), (21, 892794), (29, 646506), (42, 446397), (49, 382626), (58, 323253), (63, 297598), (87, 215502), (98, 191313), (126, 148799), (147, 127542), (174, 107751), (203, 92358), (261, 71834), (294, 63771), (406, 46179), (441, 42514), (522, 35917), (609, 30786), (733, 25578), (882, 21257), (1218, 15393), (1421, 13194), (1466, 12789), (1827, 10262), (2199, 8526), (2842, 6597), (3654, 5131), (4263, 4398)]