19996478912

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{1229}}^1\times {\mathrm{6871}}^1$

素因数の和:8149

約数の個数: 56

約数和(自身を含む): 40792054560

約数和(自身を除く): 20795575648

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 1184, 1229, 2368, 2458, 4916, 6871, 9832, 13742, 19664, 27484, 39328, 45473, 54968, 78656, 90946, 109936, 181892, 219872, 254227, 363784, 439744, 508454, 727568, 1016908, 1455136, 2033816, 2910272, 4067632, 8135264, 8444459, 16270528, 16888918, 33777836, 67555672, 135111344, 270222688, 312444983, 540445376, 624889966, 1249779932, 2499559864, 4999119728, 9998239456, 19996478912]

約数ペア:

[(1, 19996478912), (2, 9998239456), (4, 4999119728), (8, 2499559864), (16, 1249779932), (32, 624889966), (37, 540445376), (64, 312444983), (74, 270222688), (148, 135111344), (296, 67555672), (592, 33777836), (1184, 16888918), (1229, 16270528), (2368, 8444459), (2458, 8135264), (4916, 4067632), (6871, 2910272), (9832, 2033816), (13742, 1455136), (19664, 1016908), (27484, 727568), (39328, 508454), (45473, 439744), (54968, 363784), (78656, 254227), (90946, 219872), (109936, 181892)]