19366984420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{463}}^1\times {\mathrm{42683}}^1$

素因数の和:43169

約数の個数: 72

約数和(自身を含む): 47414070144

約数和(自身を除く): 28047085724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 463, 490, 926, 980, 1852, 2315, 3241, 4630, 6482, 9260, 12964, 16205, 22687, 32410, 42683, 45374, 64820, 85366, 90748, 113435, 170732, 213415, 226870, 298781, 426830, 453740, 597562, 853660, 1195124, 1493905, 2091467, 2987810, 4182934, 5975620, 8365868, 10457335, 19762229, 20914670, 39524458, 41829340, 79048916, 98811145, 138335603, 197622290, 276671206, 395244580, 553342412, 691678015, 968349221, 1383356030, 1936698442, 2766712060, 3873396884, 4841746105, 9683492210, 19366984420]

約数ペア:

[(1, 19366984420), (2, 9683492210), (4, 4841746105), (5, 3873396884), (7, 2766712060), (10, 1936698442), (14, 1383356030), (20, 968349221), (28, 691678015), (35, 553342412), (49, 395244580), (70, 276671206), (98, 197622290), (140, 138335603), (196, 98811145), (245, 79048916), (463, 41829340), (490, 39524458), (926, 20914670), (980, 19762229), (1852, 10457335), (2315, 8365868), (3241, 5975620), (4630, 4182934), (6482, 2987810), (9260, 2091467), (12964, 1493905), (16205, 1195124), (22687, 853660), (32410, 597562), (42683, 453740), (45374, 426830), (64820, 298781), (85366, 226870), (90748, 213415), (113435, 170732)]