19680773784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{2131}}^1\times {\mathrm{54973}}^1$

素因数の和:57120

約数の個数: 64

約数和(自身を含む): 56258192640

約数和(自身を除く): 36577418856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 2131, 4262, 6393, 8524, 12786, 14917, 17048, 25572, 29834, 44751, 51144, 54973, 59668, 89502, 109946, 119336, 164919, 179004, 219892, 329838, 358008, 384811, 439784, 659676, 769622, 1154433, 1319352, 1539244, 2308866, 3078488, 4617732, 9235464, 117147463, 234294926, 351442389, 468589852, 702884778, 820032241, 937179704, 1405769556, 1640064482, 2460096723, 2811539112, 3280128964, 4920193446, 6560257928, 9840386892, 19680773784]

約数ペア:

[(1, 19680773784), (2, 9840386892), (3, 6560257928), (4, 4920193446), (6, 3280128964), (7, 2811539112), (8, 2460096723), (12, 1640064482), (14, 1405769556), (21, 937179704), (24, 820032241), (28, 702884778), (42, 468589852), (56, 351442389), (84, 234294926), (168, 117147463), (2131, 9235464), (4262, 4617732), (6393, 3078488), (8524, 2308866), (12786, 1539244), (14917, 1319352), (17048, 1154433), (25572, 769622), (29834, 659676), (44751, 439784), (51144, 384811), (54973, 358008), (59668, 329838), (89502, 219892), (109946, 179004), (119336, 164919)]