18491784

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 49818240

約数和(自身を除く): 31326456

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 61, 68, 102, 122, 136, 183, 204, 244, 366, 408, 488, 732, 743, 1037, 1464, 1486, 2074, 2229, 2972, 3111, 4148, 4458, 5944, 6222, 8296, 8916, 12444, 12631, 17832, 24888, 25262, 37893, 45323, 50524, 75786, 90646, 101048, 135969, 151572, 181292, 271938, 303144, 362584, 543876, 770491, 1087752, 1540982, 2311473, 3081964, 4622946, 6163928, 9245892, 18491784]

約数ペア:

[(1, 18491784), (2, 9245892), (3, 6163928), (4, 4622946), (6, 3081964), (8, 2311473), (12, 1540982), (17, 1087752), (24, 770491), (34, 543876), (51, 362584), (61, 303144), (68, 271938), (102, 181292), (122, 151572), (136, 135969), (183, 101048), (204, 90646), (244, 75786), (366, 50524), (408, 45323), (488, 37893), (732, 25262), (743, 24888), (1037, 17832), (1464, 12631), (1486, 12444), (2074, 8916), (2229, 8296), (2972, 6222), (3111, 5944), (4148, 4458)]