19637675820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{15727}}^1$

素因数の和:16740

約数の個数: 144

約数和(自身を含む): 68150304768

約数和(自身を除く): 48512628948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 991, 1260, 1982, 2973, 3964, 4955, 5946, 6937, 8919, 9910, 11892, 13874, 14865, 15727, 17838, 19820, 20811, 27748, 29730, 31454, 34685, 35676, 41622, 44595, 47181, 59460, 62433, 62908, 69370, 78635, 83244, 89190, 94362, 104055, 110089, 124866, 138740, 141543, 157270, 178380, 188724, 208110, 220178, 235905, 249732, 283086, 312165, 314540, 330267, 416220, 440356, 471810, 550445, 566172, 624330, 660534, 707715, 943620, 990801, 1100890, 1248660, 1321068, 1415430, 1651335, 1981602, 2201780, 2830860, 3302670, 3963204, 4954005, 6605340, 9908010, 15585457, 19816020, 31170914, 46756371, 62341828, 77927285, 93512742, 109098199, 140269113, 155854570, 187025484, 218196398, 233781855, 280538226, 311709140, 327294597, 436392796, 467563710, 545490995, 561076452, 654589194, 701345565, 935127420, 981883791, 1090981990, 1309178388, 1402691130, 1636472985, 1963767582, 2181963980, 2805382260, 3272945970, 3927535164, 4909418955, 6545891940, 9818837910, 19637675820]

約数ペア:

[(1, 19637675820), (2, 9818837910), (3, 6545891940), (4, 4909418955), (5, 3927535164), (6, 3272945970), (7, 2805382260), (9, 2181963980), (10, 1963767582), (12, 1636472985), (14, 1402691130), (15, 1309178388), (18, 1090981990), (20, 981883791), (21, 935127420), (28, 701345565), (30, 654589194), (35, 561076452), (36, 545490995), (42, 467563710), (45, 436392796), (60, 327294597), (63, 311709140), (70, 280538226), (84, 233781855), (90, 218196398), (105, 187025484), (126, 155854570), (140, 140269113), (180, 109098199), (210, 93512742), (252, 77927285), (315, 62341828), (420, 46756371), (630, 31170914), (991, 19816020), (1260, 15585457), (1982, 9908010), (2973, 6605340), (3964, 4954005), (4955, 3963204), (5946, 3302670), (6937, 2830860), (8919, 2201780), (9910, 1981602), (11892, 1651335), (13874, 1415430), (14865, 1321068), (15727, 1248660), (17838, 1100890), (19820, 990801), (20811, 943620), (27748, 707715), (29730, 660534), (31454, 624330), (34685, 566172), (35676, 550445), (41622, 471810), (44595, 440356), (47181, 416220), (59460, 330267), (62433, 314540), (62908, 312165), (69370, 283086), (78635, 249732), (83244, 235905), (89190, 220178), (94362, 208110), (104055, 188724), (110089, 178380), (124866, 157270), (138740, 141543)]