19697984

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:295

約数の個数: 56

約数和(自身を含む): 41818560

約数和(自身を除く): 22120576

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 97, 152, 167, 194, 304, 334, 388, 608, 668, 776, 1216, 1336, 1552, 1843, 2672, 3104, 3173, 3686, 5344, 6208, 6346, 7372, 10688, 12692, 14744, 16199, 25384, 29488, 32398, 50768, 58976, 64796, 101536, 117952, 129592, 203072, 259184, 307781, 518368, 615562, 1036736, 1231124, 2462248, 4924496, 9848992, 19697984]

約数ペア:

[(1, 19697984), (2, 9848992), (4, 4924496), (8, 2462248), (16, 1231124), (19, 1036736), (32, 615562), (38, 518368), (64, 307781), (76, 259184), (97, 203072), (152, 129592), (167, 117952), (194, 101536), (304, 64796), (334, 58976), (388, 50768), (608, 32398), (668, 29488), (776, 25384), (1216, 16199), (1336, 14744), (1552, 12692), (1843, 10688), (2672, 7372), (3104, 6346), (3173, 6208), (3686, 5344)]