19802019963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{5197}}^1$

素因数の和:5392

約数の個数: 64

約数和(自身を含む): 31138099200

約数和(自身を除く): 11336079237

約数列:

[1, 3, 11, 19, 33, 57, 59, 103, 177, 209, 309, 627, 649, 1121, 1133, 1947, 1957, 3363, 3399, 5197, 5871, 6077, 12331, 15591, 18231, 21527, 36993, 57167, 64581, 66847, 98743, 115463, 171501, 200541, 296229, 306623, 346389, 535291, 919869, 1086173, 1270093, 1605873, 3258519, 3372853, 3810279, 5825837, 5888201, 10118559, 10170529, 17477511, 17664603, 30511587, 31582169, 64084207, 94746507, 111875819, 192252621, 335627457, 347403859, 600061211, 1042211577, 1800183633, 6600673321, 19802019963]

約数ペア:

[(1, 19802019963), (3, 6600673321), (11, 1800183633), (19, 1042211577), (33, 600061211), (57, 347403859), (59, 335627457), (103, 192252621), (177, 111875819), (209, 94746507), (309, 64084207), (627, 31582169), (649, 30511587), (1121, 17664603), (1133, 17477511), (1947, 10170529), (1957, 10118559), (3363, 5888201), (3399, 5825837), (5197, 3810279), (5871, 3372853), (6077, 3258519), (12331, 1605873), (15591, 1270093), (18231, 1086173), (21527, 919869), (36993, 535291), (57167, 346389), (64581, 306623), (66847, 296229), (98743, 200541), (115463, 171501)]