18643228944

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{335117}}^1$

素因数の和:335208

約数の個数: 80

約数和(自身を含む): 51527743680

約数和(自身を除く): 32884514736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 61, 76, 114, 122, 152, 183, 228, 244, 304, 366, 456, 488, 732, 912, 976, 1159, 1464, 2318, 2928, 3477, 4636, 6954, 9272, 13908, 18544, 27816, 55632, 335117, 670234, 1005351, 1340468, 2010702, 2680936, 4021404, 5361872, 6367223, 8042808, 12734446, 16085616, 19101669, 20442137, 25468892, 38203338, 40884274, 50937784, 61326411, 76406676, 81768548, 101875568, 122652822, 152813352, 163537096, 245305644, 305626704, 327074192, 388400603, 490611288, 776801206, 981222576, 1165201809, 1553602412, 2330403618, 3107204824, 4660807236, 6214409648, 9321614472, 18643228944]

約数ペア:

[(1, 18643228944), (2, 9321614472), (3, 6214409648), (4, 4660807236), (6, 3107204824), (8, 2330403618), (12, 1553602412), (16, 1165201809), (19, 981222576), (24, 776801206), (38, 490611288), (48, 388400603), (57, 327074192), (61, 305626704), (76, 245305644), (114, 163537096), (122, 152813352), (152, 122652822), (183, 101875568), (228, 81768548), (244, 76406676), (304, 61326411), (366, 50937784), (456, 40884274), (488, 38203338), (732, 25468892), (912, 20442137), (976, 19101669), (1159, 16085616), (1464, 12734446), (2318, 8042808), (2928, 6367223), (3477, 5361872), (4636, 4021404), (6954, 2680936), (9272, 2010702), (13908, 1340468), (18544, 1005351), (27816, 670234), (55632, 335117)]