19914653704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{32159}}^1$

素因数の和:32434

約数の個数: 64

約数和(自身を含む): 42235084800

約数和(自身を除く): 22320431096

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 227, 248, 341, 454, 682, 908, 1364, 1816, 2497, 2728, 4994, 7037, 9988, 14074, 19976, 28148, 32159, 56296, 64318, 77407, 128636, 154814, 257272, 309628, 353749, 619256, 707498, 996929, 1414996, 1993858, 2829992, 3987716, 7300093, 7975432, 10966219, 14600186, 21932438, 29200372, 43864876, 58400744, 80301023, 87729752, 160602046, 226302883, 321204092, 452605766, 642408184, 905211532, 1810423064, 2489331713, 4978663426, 9957326852, 19914653704]

約数ペア:

[(1, 19914653704), (2, 9957326852), (4, 4978663426), (8, 2489331713), (11, 1810423064), (22, 905211532), (31, 642408184), (44, 452605766), (62, 321204092), (88, 226302883), (124, 160602046), (227, 87729752), (248, 80301023), (341, 58400744), (454, 43864876), (682, 29200372), (908, 21932438), (1364, 14600186), (1816, 10966219), (2497, 7975432), (2728, 7300093), (4994, 3987716), (7037, 2829992), (9988, 1993858), (14074, 1414996), (19976, 996929), (28148, 707498), (32159, 619256), (56296, 353749), (64318, 309628), (77407, 257272), (128636, 154814)]