19917349888

素因数分解:

$2^{10}\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{839}}^1$

素因数の和:1195

約数の個数: 88

約数和(自身を含む): 40442169600

約数和(自身を除く): 20524819712

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 239, 256, 388, 478, 512, 776, 839, 956, 1024, 1552, 1678, 1912, 3104, 3356, 3824, 6208, 6712, 7648, 12416, 13424, 15296, 23183, 24832, 26848, 30592, 46366, 49664, 53696, 61184, 81383, 92732, 99328, 107392, 122368, 162766, 185464, 200521, 214784, 244736, 325532, 370928, 401042, 429568, 651064, 741856, 802084, 859136, 1302128, 1483712, 1604168, 2604256, 2967424, 3208336, 5208512, 5934848, 6416672, 10417024, 11869696, 12833344, 19450537, 20834048, 23739392, 25666688, 38901074, 41668096, 51333376, 77802148, 83336192, 102666752, 155604296, 205333504, 311208592, 622417184, 1244834368, 2489668736, 4979337472, 9958674944, 19917349888]

約数ペア:

[(1, 19917349888), (2, 9958674944), (4, 4979337472), (8, 2489668736), (16, 1244834368), (32, 622417184), (64, 311208592), (97, 205333504), (128, 155604296), (194, 102666752), (239, 83336192), (256, 77802148), (388, 51333376), (478, 41668096), (512, 38901074), (776, 25666688), (839, 23739392), (956, 20834048), (1024, 19450537), (1552, 12833344), (1678, 11869696), (1912, 10417024), (3104, 6416672), (3356, 5934848), (3824, 5208512), (6208, 3208336), (6712, 2967424), (7648, 2604256), (12416, 1604168), (13424, 1483712), (15296, 1302128), (23183, 859136), (24832, 802084), (26848, 741856), (30592, 651064), (46366, 429568), (49664, 401042), (53696, 370928), (61184, 325532), (81383, 244736), (92732, 214784), (99328, 200521), (107392, 185464), (122368, 162766)]