19801376896

素因数分解:

$2^7\times 7^1\times {\mathrm{61}}^1\times {\mathrm{362291}}^1$

素因数の和:362373

約数の個数: 64

約数和(自身を含む): 45822692160

約数和(自身を除く): 26021315264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 427, 448, 488, 854, 896, 976, 1708, 1952, 3416, 3904, 6832, 7808, 13664, 27328, 54656, 362291, 724582, 1449164, 2536037, 2898328, 5072074, 5796656, 10144148, 11593312, 20288296, 22099751, 23186624, 40576592, 44199502, 46373248, 81153184, 88399004, 154698257, 162306368, 176798008, 309396514, 324612736, 353596016, 618793028, 707192032, 1237586056, 1414384064, 2475172112, 2828768128, 4950344224, 9900688448, 19801376896]

約数ペア:

[(1, 19801376896), (2, 9900688448), (4, 4950344224), (7, 2828768128), (8, 2475172112), (14, 1414384064), (16, 1237586056), (28, 707192032), (32, 618793028), (56, 353596016), (61, 324612736), (64, 309396514), (112, 176798008), (122, 162306368), (128, 154698257), (224, 88399004), (244, 81153184), (427, 46373248), (448, 44199502), (488, 40576592), (854, 23186624), (896, 22099751), (976, 20288296), (1708, 11593312), (1952, 10144148), (3416, 5796656), (3904, 5072074), (6832, 2898328), (7808, 2536037), (13664, 1449164), (27328, 724582), (54656, 362291)]