19668390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1283}}^1$

素因数の和:1373

約数の個数: 64

約数和(自身を含む): 54729216

約数和(自身を除く): 35060826

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1283, 1533, 2190, 2555, 2566, 3066, 3849, 5110, 6415, 7665, 7698, 8981, 12830, 15330, 17962, 19245, 26943, 38490, 44905, 53886, 89810, 93659, 134715, 187318, 269430, 280977, 468295, 561954, 655613, 936590, 1311226, 1404885, 1966839, 2809770, 3278065, 3933678, 6556130, 9834195, 19668390]

約数ペア:

[(1, 19668390), (2, 9834195), (3, 6556130), (5, 3933678), (6, 3278065), (7, 2809770), (10, 1966839), (14, 1404885), (15, 1311226), (21, 936590), (30, 655613), (35, 561954), (42, 468295), (70, 280977), (73, 269430), (105, 187318), (146, 134715), (210, 93659), (219, 89810), (365, 53886), (438, 44905), (511, 38490), (730, 26943), (1022, 19245), (1095, 17962), (1283, 15330), (1533, 12830), (2190, 8981), (2555, 7698), (2566, 7665), (3066, 6415), (3849, 5110)]