2019412340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 4995696384

約数和(自身を除く): 2976284044

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 47, 55, 76, 94, 95, 110, 188, 190, 209, 220, 235, 361, 380, 418, 470, 517, 541, 722, 836, 893, 940, 1034, 1045, 1082, 1444, 1786, 1805, 2068, 2090, 2164, 2585, 2705, 3572, 3610, 3971, 4180, 4465, 5170, 5410, 5951, 7220, 7942, 8930, 9823, 10279, 10340, 10820, 11902, 15884, 16967, 17860, 19646, 19855, 20558, 23804, 25427, 29755, 33934, 39292, 39710, 41116, 49115, 50854, 51395, 59510, 67868, 79420, 84835, 98230, 101708, 102790, 113069, 119020, 127135, 169670, 186637, 195301, 196460, 205580, 226138, 254270, 279697, 339340, 373274, 390602, 452276, 483113, 508540, 559394, 565345, 746548, 781204, 933185, 966226, 976505, 1118788, 1130690, 1398485, 1866370, 1932452, 1953010, 2148311, 2261380, 2415565, 2796970, 3732740, 3906020, 4296622, 4831130, 5314243, 5593940, 8593244, 9179147, 9662260, 10628486, 10741555, 18358294, 21256972, 21483110, 26571215, 36716588, 42966220, 45895735, 53142430, 91791470, 100970617, 106284860, 183582940, 201941234, 403882468, 504853085, 1009706170, 2019412340]

約数ペア:

[(1, 2019412340), (2, 1009706170), (4, 504853085), (5, 403882468), (10, 201941234), (11, 183582940), (19, 106284860), (20, 100970617), (22, 91791470), (38, 53142430), (44, 45895735), (47, 42966220), (55, 36716588), (76, 26571215), (94, 21483110), (95, 21256972), (110, 18358294), (188, 10741555), (190, 10628486), (209, 9662260), (220, 9179147), (235, 8593244), (361, 5593940), (380, 5314243), (418, 4831130), (470, 4296622), (517, 3906020), (541, 3732740), (722, 2796970), (836, 2415565), (893, 2261380), (940, 2148311), (1034, 1953010), (1045, 1932452), (1082, 1866370), (1444, 1398485), (1786, 1130690), (1805, 1118788), (2068, 976505), (2090, 966226), (2164, 933185), (2585, 781204), (2705, 746548), (3572, 565345), (3610, 559394), (3971, 508540), (4180, 483113), (4465, 452276), (5170, 390602), (5410, 373274), (5951, 339340), (7220, 279697), (7942, 254270), (8930, 226138), (9823, 205580), (10279, 196460), (10340, 195301), (10820, 186637), (11902, 169670), (15884, 127135), (16967, 119020), (17860, 113069), (19646, 102790), (19855, 101708), (20558, 98230), (23804, 84835), (25427, 79420), (29755, 67868), (33934, 59510), (39292, 51395), (39710, 50854), (41116, 49115)]