19905408

素因数分解:

$2^7\times 3^2\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 58953960

約数和(自身を除く): 39048552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 288, 296, 333, 384, 444, 467, 576, 592, 666, 888, 934, 1152, 1184, 1332, 1401, 1776, 1868, 2368, 2664, 2802, 3552, 3736, 4203, 4736, 5328, 5604, 7104, 7472, 8406, 10656, 11208, 14208, 14944, 16812, 17279, 21312, 22416, 29888, 33624, 34558, 42624, 44832, 51837, 59776, 67248, 69116, 89664, 103674, 134496, 138232, 155511, 179328, 207348, 268992, 276464, 311022, 414696, 537984, 552928, 622044, 829392, 1105856, 1244088, 1658784, 2211712, 2488176, 3317568, 4976352, 6635136, 9952704, 19905408]

約数ペア:

[(1, 19905408), (2, 9952704), (3, 6635136), (4, 4976352), (6, 3317568), (8, 2488176), (9, 2211712), (12, 1658784), (16, 1244088), (18, 1105856), (24, 829392), (32, 622044), (36, 552928), (37, 537984), (48, 414696), (64, 311022), (72, 276464), (74, 268992), (96, 207348), (111, 179328), (128, 155511), (144, 138232), (148, 134496), (192, 103674), (222, 89664), (288, 69116), (296, 67248), (333, 59776), (384, 51837), (444, 44832), (467, 42624), (576, 34558), (592, 33624), (666, 29888), (888, 22416), (934, 21312), (1152, 17279), (1184, 16812), (1332, 14944), (1401, 14208), (1776, 11208), (1868, 10656), (2368, 8406), (2664, 7472), (2802, 7104), (3552, 5604), (3736, 5328), (4203, 4736)]