18404778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 26696022

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 149, 173, 238, 298, 346, 357, 447, 519, 714, 894, 1038, 1043, 1211, 2086, 2422, 2533, 2941, 3129, 3633, 5066, 5882, 6258, 7266, 7599, 8823, 15198, 17646, 17731, 20587, 25777, 35462, 41174, 51554, 53193, 61761, 77331, 106386, 123522, 154662, 180439, 360878, 438209, 541317, 876418, 1082634, 1314627, 2629254, 3067463, 6134926, 9202389, 18404778]

約数ペア:

[(1, 18404778), (2, 9202389), (3, 6134926), (6, 3067463), (7, 2629254), (14, 1314627), (17, 1082634), (21, 876418), (34, 541317), (42, 438209), (51, 360878), (102, 180439), (119, 154662), (149, 123522), (173, 106386), (238, 77331), (298, 61761), (346, 53193), (357, 51554), (447, 41174), (519, 35462), (714, 25777), (894, 20587), (1038, 17731), (1043, 17646), (1211, 15198), (2086, 8823), (2422, 7599), (2533, 7266), (2941, 6258), (3129, 5882), (3633, 5066)]