1991232072

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{161731}}^1$

素因数の和:161768

約数の個数: 80

約数和(自身を含む): 5870871600

約数和(自身を除く): 3879639528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 2052, 3078, 4104, 6156, 12312, 161731, 323462, 485193, 646924, 970386, 1293848, 1455579, 1940772, 2911158, 3072889, 3881544, 4366737, 5822316, 6145778, 8733474, 9218667, 11644632, 12291556, 13100211, 17466948, 18437334, 24583112, 26200422, 27656001, 34933896, 36874668, 52400844, 55312002, 73749336, 82968003, 104801688, 110624004, 165936006, 221248008, 248904009, 331872012, 497808018, 663744024, 995616036, 1991232072]

約数ペア:

[(1, 1991232072), (2, 995616036), (3, 663744024), (4, 497808018), (6, 331872012), (8, 248904009), (9, 221248008), (12, 165936006), (18, 110624004), (19, 104801688), (24, 82968003), (27, 73749336), (36, 55312002), (38, 52400844), (54, 36874668), (57, 34933896), (72, 27656001), (76, 26200422), (81, 24583112), (108, 18437334), (114, 17466948), (152, 13100211), (162, 12291556), (171, 11644632), (216, 9218667), (228, 8733474), (324, 6145778), (342, 5822316), (456, 4366737), (513, 3881544), (648, 3072889), (684, 2911158), (1026, 1940772), (1368, 1455579), (1539, 1293848), (2052, 970386), (3078, 646924), (4104, 485193), (6156, 323462), (12312, 161731)]