18951471

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 37739520

約数和(自身を除く): 18788049

約数列:

[1, 3, 7, 9, 11, 21, 23, 29, 33, 41, 63, 69, 77, 87, 99, 123, 161, 203, 207, 231, 253, 261, 287, 319, 369, 451, 483, 609, 667, 693, 759, 861, 943, 957, 1189, 1353, 1449, 1771, 1827, 2001, 2233, 2277, 2583, 2829, 2871, 3157, 3567, 4059, 4669, 5313, 6003, 6601, 6699, 7337, 8323, 8487, 9471, 10373, 10701, 13079, 14007, 15939, 19803, 20097, 22011, 24969, 27347, 28413, 31119, 39237, 42021, 51359, 59409, 66033, 72611, 74907, 82041, 91553, 93357, 117711, 154077, 191429, 217833, 246123, 274659, 300817, 462231, 574287, 653499, 823977, 902451, 1722861, 2105719, 2707353, 6317157, 18951471]

約数ペア:

[(1, 18951471), (3, 6317157), (7, 2707353), (9, 2105719), (11, 1722861), (21, 902451), (23, 823977), (29, 653499), (33, 574287), (41, 462231), (63, 300817), (69, 274659), (77, 246123), (87, 217833), (99, 191429), (123, 154077), (161, 117711), (203, 93357), (207, 91553), (231, 82041), (253, 74907), (261, 72611), (287, 66033), (319, 59409), (369, 51359), (451, 42021), (483, 39237), (609, 31119), (667, 28413), (693, 27347), (759, 24969), (861, 22011), (943, 20097), (957, 19803), (1189, 15939), (1353, 14007), (1449, 13079), (1771, 10701), (1827, 10373), (2001, 9471), (2233, 8487), (2277, 8323), (2583, 7337), (2829, 6699), (2871, 6601), (3157, 6003), (3567, 5313), (4059, 4669)]