19634886

素因数分解:

$2^1\times 3^7\times {\mathrm{67}}^2$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 44840880

約数和(自身を除く): 25205994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 243, 402, 486, 603, 729, 1206, 1458, 1809, 2187, 3618, 4374, 4489, 5427, 8978, 10854, 13467, 16281, 26934, 32562, 40401, 48843, 80802, 97686, 121203, 146529, 242406, 293058, 363609, 727218, 1090827, 2181654, 3272481, 6544962, 9817443, 19634886]

約数ペア:

[(1, 19634886), (2, 9817443), (3, 6544962), (6, 3272481), (9, 2181654), (18, 1090827), (27, 727218), (54, 363609), (67, 293058), (81, 242406), (134, 146529), (162, 121203), (201, 97686), (243, 80802), (402, 48843), (486, 40401), (603, 32562), (729, 26934), (1206, 16281), (1458, 13467), (1809, 10854), (2187, 8978), (3618, 5427), (4374, 4489)]