18198810

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9629}}^1$

素因数の和:9652

約数の個数: 64

約数和(自身を含む): 55468800

約数和(自身を除く): 37269990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9629, 19258, 28887, 48145, 57774, 67403, 86661, 96290, 134806, 144435, 173322, 202209, 259983, 288870, 337015, 404418, 433305, 519966, 606627, 674030, 866610, 1011045, 1213254, 1299915, 1819881, 2022090, 2599830, 3033135, 3639762, 6066270, 9099405, 18198810]

約数ペア:

[(1, 18198810), (2, 9099405), (3, 6066270), (5, 3639762), (6, 3033135), (7, 2599830), (9, 2022090), (10, 1819881), (14, 1299915), (15, 1213254), (18, 1011045), (21, 866610), (27, 674030), (30, 606627), (35, 519966), (42, 433305), (45, 404418), (54, 337015), (63, 288870), (70, 259983), (90, 202209), (105, 173322), (126, 144435), (135, 134806), (189, 96290), (210, 86661), (270, 67403), (315, 57774), (378, 48145), (630, 28887), (945, 19258), (1890, 9629)]