18961596152

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{70729}}^1$

素因数の和:70836

約数の個数: 64

約数和(自身を含む): 39110860800

約数和(自身を除く): 20149264648

約数列:

[1, 2, 4, 8, 23, 31, 46, 47, 62, 92, 94, 124, 184, 188, 248, 376, 713, 1081, 1426, 1457, 2162, 2852, 2914, 4324, 5704, 5828, 8648, 11656, 33511, 67022, 70729, 134044, 141458, 268088, 282916, 565832, 1626767, 2192599, 3253534, 3324263, 4385198, 6507068, 6648526, 8770396, 13014136, 13297052, 17540792, 26594104, 50429777, 76458049, 100859554, 103052153, 152916098, 201719108, 206104306, 305832196, 403438216, 412208612, 611664392, 824417224, 2370199519, 4740399038, 9480798076, 18961596152]

約数ペア:

[(1, 18961596152), (2, 9480798076), (4, 4740399038), (8, 2370199519), (23, 824417224), (31, 611664392), (46, 412208612), (47, 403438216), (62, 305832196), (92, 206104306), (94, 201719108), (124, 152916098), (184, 103052153), (188, 100859554), (248, 76458049), (376, 50429777), (713, 26594104), (1081, 17540792), (1426, 13297052), (1457, 13014136), (2162, 8770396), (2852, 6648526), (2914, 6507068), (4324, 4385198), (5704, 3324263), (5828, 3253534), (8648, 2192599), (11656, 1626767), (33511, 565832), (67022, 282916), (70729, 268088), (134044, 141458)]