18730194

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 26025006

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 73, 82, 123, 146, 149, 219, 246, 287, 298, 438, 447, 511, 574, 861, 894, 1022, 1043, 1533, 1722, 2086, 2993, 3066, 3129, 5986, 6109, 6258, 8979, 10877, 12218, 17958, 18327, 20951, 21754, 32631, 36654, 41902, 42763, 62853, 65262, 76139, 85526, 125706, 128289, 152278, 228417, 256578, 445957, 456834, 891914, 1337871, 2675742, 3121699, 6243398, 9365097, 18730194]

約数ペア:

[(1, 18730194), (2, 9365097), (3, 6243398), (6, 3121699), (7, 2675742), (14, 1337871), (21, 891914), (41, 456834), (42, 445957), (73, 256578), (82, 228417), (123, 152278), (146, 128289), (149, 125706), (219, 85526), (246, 76139), (287, 65262), (298, 62853), (438, 42763), (447, 41902), (511, 36654), (574, 32631), (861, 21754), (894, 20951), (1022, 18327), (1043, 17958), (1533, 12218), (1722, 10877), (2086, 8979), (2993, 6258), (3066, 6109), (3129, 5986)]