19991102308

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{8699}}^1$

素因数の和:9208

約数の個数: 48

約数和(自身を含む): 37042790400

約数和(自身を除く): 17051688092

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 431, 862, 1333, 1724, 2666, 5332, 8699, 13361, 17398, 18533, 26722, 34796, 37066, 53444, 74132, 269669, 374057, 539338, 574523, 748114, 1078676, 1149046, 1496228, 2298092, 3749269, 7498538, 11595767, 14997076, 23191534, 46383068, 116227339, 161218567, 232454678, 322437134, 464909356, 644874268, 4997775577, 9995551154, 19991102308]

約数ペア:

[(1, 19991102308), (2, 9995551154), (4, 4997775577), (31, 644874268), (43, 464909356), (62, 322437134), (86, 232454678), (124, 161218567), (172, 116227339), (431, 46383068), (862, 23191534), (1333, 14997076), (1724, 11595767), (2666, 7498538), (5332, 3749269), (8699, 2298092), (13361, 1496228), (17398, 1149046), (18533, 1078676), (26722, 748114), (34796, 574523), (37066, 539338), (53444, 374057), (74132, 269669)]