20191908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 55319040

約数和(自身を除く): 35127132

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 83, 97, 114, 132, 166, 194, 209, 228, 249, 291, 332, 388, 418, 498, 582, 627, 836, 913, 996, 1067, 1164, 1254, 1577, 1826, 1843, 2134, 2508, 2739, 3154, 3201, 3652, 3686, 4268, 4731, 5478, 5529, 6308, 6402, 7372, 8051, 9462, 10956, 11058, 12804, 16102, 17347, 18924, 20273, 22116, 24153, 32204, 34694, 40546, 48306, 52041, 60819, 69388, 81092, 88561, 96612, 104082, 121638, 152969, 177122, 208164, 243276, 265683, 305938, 354244, 458907, 531366, 611876, 917814, 1062732, 1682659, 1835628, 3365318, 5047977, 6730636, 10095954, 20191908]

約数ペア:

[(1, 20191908), (2, 10095954), (3, 6730636), (4, 5047977), (6, 3365318), (11, 1835628), (12, 1682659), (19, 1062732), (22, 917814), (33, 611876), (38, 531366), (44, 458907), (57, 354244), (66, 305938), (76, 265683), (83, 243276), (97, 208164), (114, 177122), (132, 152969), (166, 121638), (194, 104082), (209, 96612), (228, 88561), (249, 81092), (291, 69388), (332, 60819), (388, 52041), (418, 48306), (498, 40546), (582, 34694), (627, 32204), (836, 24153), (913, 22116), (996, 20273), (1067, 18924), (1164, 17347), (1254, 16102), (1577, 12804), (1826, 11058), (1843, 10956), (2134, 9462), (2508, 8051), (2739, 7372), (3154, 6402), (3201, 6308), (3652, 5529), (3686, 5478), (4268, 4731)]