19787257812

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{3181}}^1$

素因数の和:3422

約数の個数: 144

約数和(自身を含む): 54847497600

約数和(自身を除く): 35060239788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 149, 196, 213, 284, 294, 298, 426, 447, 497, 588, 596, 852, 894, 994, 1043, 1491, 1788, 1988, 2086, 2982, 3129, 3181, 3479, 4172, 5964, 6258, 6362, 6958, 7301, 9543, 10437, 10579, 12516, 12724, 13916, 14602, 19086, 20874, 21158, 21903, 22267, 29204, 31737, 38172, 41748, 42316, 43806, 44534, 63474, 66801, 74053, 87612, 89068, 126948, 133602, 148106, 155869, 222159, 225851, 267204, 296212, 311738, 444318, 451702, 467607, 473969, 518371, 623476, 677553, 888636, 903404, 935214, 947938, 1036742, 1355106, 1421907, 1555113, 1580957, 1870428, 1895876, 2073484, 2710212, 2843814, 3110226, 3161914, 3317783, 4742871, 5687628, 6220452, 6323828, 6635566, 9485742, 9953349, 11066699, 13271132, 18971484, 19906698, 22133398, 23224481, 33200097, 33651799, 39813396, 44266796, 46448962, 66400194, 67303598, 69673443, 92897924, 100955397, 132800388, 134607196, 139346886, 201910794, 235562593, 278693772, 403821588, 471125186, 706687779, 942250372, 1413375558, 1648938151, 2826751116, 3297876302, 4946814453, 6595752604, 9893628906, 19787257812]

約数ペア:

[(1, 19787257812), (2, 9893628906), (3, 6595752604), (4, 4946814453), (6, 3297876302), (7, 2826751116), (12, 1648938151), (14, 1413375558), (21, 942250372), (28, 706687779), (42, 471125186), (49, 403821588), (71, 278693772), (84, 235562593), (98, 201910794), (142, 139346886), (147, 134607196), (149, 132800388), (196, 100955397), (213, 92897924), (284, 69673443), (294, 67303598), (298, 66400194), (426, 46448962), (447, 44266796), (497, 39813396), (588, 33651799), (596, 33200097), (852, 23224481), (894, 22133398), (994, 19906698), (1043, 18971484), (1491, 13271132), (1788, 11066699), (1988, 9953349), (2086, 9485742), (2982, 6635566), (3129, 6323828), (3181, 6220452), (3479, 5687628), (4172, 4742871), (5964, 3317783), (6258, 3161914), (6362, 3110226), (6958, 2843814), (7301, 2710212), (9543, 2073484), (10437, 1895876), (10579, 1870428), (12516, 1580957), (12724, 1555113), (13916, 1421907), (14602, 1355106), (19086, 1036742), (20874, 947938), (21158, 935214), (21903, 903404), (22267, 888636), (29204, 677553), (31737, 623476), (38172, 518371), (41748, 473969), (42316, 467607), (43806, 451702), (44534, 444318), (63474, 311738), (66801, 296212), (74053, 267204), (87612, 225851), (89068, 222159), (126948, 155869), (133602, 148106)]