18987192

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 59510880

約数和(自身を除く): 40523688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 101, 126, 168, 202, 252, 303, 373, 404, 504, 606, 707, 746, 808, 909, 1119, 1212, 1414, 1492, 1818, 2121, 2238, 2424, 2611, 2828, 2984, 3357, 3636, 4242, 4476, 5222, 5656, 6363, 6714, 7272, 7833, 8484, 8952, 10444, 12726, 13428, 15666, 16968, 20888, 23499, 25452, 26856, 31332, 37673, 46998, 50904, 62664, 75346, 93996, 113019, 150692, 187992, 226038, 263711, 301384, 339057, 452076, 527422, 678114, 791133, 904152, 1054844, 1356228, 1582266, 2109688, 2373399, 2712456, 3164532, 4746798, 6329064, 9493596, 18987192]

約数ペア:

[(1, 18987192), (2, 9493596), (3, 6329064), (4, 4746798), (6, 3164532), (7, 2712456), (8, 2373399), (9, 2109688), (12, 1582266), (14, 1356228), (18, 1054844), (21, 904152), (24, 791133), (28, 678114), (36, 527422), (42, 452076), (56, 339057), (63, 301384), (72, 263711), (84, 226038), (101, 187992), (126, 150692), (168, 113019), (202, 93996), (252, 75346), (303, 62664), (373, 50904), (404, 46998), (504, 37673), (606, 31332), (707, 26856), (746, 25452), (808, 23499), (909, 20888), (1119, 16968), (1212, 15666), (1414, 13428), (1492, 12726), (1818, 10444), (2121, 8952), (2238, 8484), (2424, 7833), (2611, 7272), (2828, 6714), (2984, 6363), (3357, 5656), (3636, 5222), (4242, 4476)]