18512004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1697

約数の個数: 72

約数和(自身を含む): 52923360

約数和(自身を除く): 34411356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1657, 1862, 2793, 3314, 3724, 4971, 5586, 6628, 9942, 11172, 11599, 19884, 23198, 31483, 34797, 46396, 62966, 69594, 81193, 94449, 125932, 139188, 162386, 188898, 220381, 243579, 324772, 377796, 440762, 487158, 661143, 881524, 974316, 1322286, 1542667, 2644572, 3085334, 4628001, 6170668, 9256002, 18512004]

約数ペア:

[(1, 18512004), (2, 9256002), (3, 6170668), (4, 4628001), (6, 3085334), (7, 2644572), (12, 1542667), (14, 1322286), (19, 974316), (21, 881524), (28, 661143), (38, 487158), (42, 440762), (49, 377796), (57, 324772), (76, 243579), (84, 220381), (98, 188898), (114, 162386), (133, 139188), (147, 125932), (196, 94449), (228, 81193), (266, 69594), (294, 62966), (399, 46396), (532, 34797), (588, 31483), (798, 23198), (931, 19884), (1596, 11599), (1657, 11172), (1862, 9942), (2793, 6628), (3314, 5586), (3724, 4971)]