20181224994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1\times {\mathrm{701}}^1$

素因数の和:1452

約数の個数: 128

約数和(自身を含む): 49788670464

約数和(自身を除く): 29607445470

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 61, 102, 119, 122, 183, 238, 357, 366, 427, 661, 701, 714, 854, 1037, 1281, 1322, 1402, 1983, 2074, 2103, 2562, 3111, 3966, 4206, 4627, 4907, 6222, 7259, 9254, 9814, 11237, 11917, 13881, 14518, 14721, 21777, 22474, 23834, 27762, 29442, 33711, 35751, 40321, 42761, 43554, 67422, 71502, 78659, 80642, 83419, 85522, 120963, 128283, 157318, 166838, 235977, 241926, 250257, 256566, 282247, 299327, 463361, 471954, 500514, 564494, 598654, 685457, 726937, 846741, 897981, 926722, 1370914, 1390083, 1453874, 1693482, 1795962, 2056371, 2180811, 2780166, 3243527, 4112742, 4361622, 4798199, 5088559, 6487054, 7877137, 9596398, 9730581, 10177118, 14394597, 15265677, 15754274, 19461162, 23631411, 28265021, 28789194, 30531354, 47262822, 55139959, 56530042, 84795063, 110279918, 165419877, 169590126, 197855147, 330839754, 395710294, 480505357, 593565441, 961010714, 1187130882, 1441516071, 2883032142, 3363537499, 6727074998, 10090612497, 20181224994]

約数ペア:

[(1, 20181224994), (2, 10090612497), (3, 6727074998), (6, 3363537499), (7, 2883032142), (14, 1441516071), (17, 1187130882), (21, 961010714), (34, 593565441), (42, 480505357), (51, 395710294), (61, 330839754), (102, 197855147), (119, 169590126), (122, 165419877), (183, 110279918), (238, 84795063), (357, 56530042), (366, 55139959), (427, 47262822), (661, 30531354), (701, 28789194), (714, 28265021), (854, 23631411), (1037, 19461162), (1281, 15754274), (1322, 15265677), (1402, 14394597), (1983, 10177118), (2074, 9730581), (2103, 9596398), (2562, 7877137), (3111, 6487054), (3966, 5088559), (4206, 4798199), (4627, 4361622), (4907, 4112742), (6222, 3243527), (7259, 2780166), (9254, 2180811), (9814, 2056371), (11237, 1795962), (11917, 1693482), (13881, 1453874), (14518, 1390083), (14721, 1370914), (21777, 926722), (22474, 897981), (23834, 846741), (27762, 726937), (29442, 685457), (33711, 598654), (35751, 564494), (40321, 500514), (42761, 471954), (43554, 463361), (67422, 299327), (71502, 282247), (78659, 256566), (80642, 250257), (83419, 241926), (85522, 235977), (120963, 166838), (128283, 157318)]