19915416

素因数分解:

$2^3\times 3^3\times {\mathrm{137}}^1\times {\mathrm{673}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 55807200

約数和(自身を除く): 35891784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 137, 216, 274, 411, 548, 673, 822, 1096, 1233, 1346, 1644, 2019, 2466, 2692, 3288, 3699, 4038, 4932, 5384, 6057, 7398, 8076, 9864, 12114, 14796, 16152, 18171, 24228, 29592, 36342, 48456, 72684, 92201, 145368, 184402, 276603, 368804, 553206, 737608, 829809, 1106412, 1659618, 2212824, 2489427, 3319236, 4978854, 6638472, 9957708, 19915416]

約数ペア:

[(1, 19915416), (2, 9957708), (3, 6638472), (4, 4978854), (6, 3319236), (8, 2489427), (9, 2212824), (12, 1659618), (18, 1106412), (24, 829809), (27, 737608), (36, 553206), (54, 368804), (72, 276603), (108, 184402), (137, 145368), (216, 92201), (274, 72684), (411, 48456), (548, 36342), (673, 29592), (822, 24228), (1096, 18171), (1233, 16152), (1346, 14796), (1644, 12114), (2019, 9864), (2466, 8076), (2692, 7398), (3288, 6057), (3699, 5384), (4038, 4932)]