19431918

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 50948352

約数和(自身を除く): 31516434

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 23, 33, 34, 46, 51, 66, 69, 99, 102, 138, 153, 187, 198, 207, 251, 253, 306, 374, 391, 414, 502, 506, 561, 753, 759, 782, 1122, 1173, 1506, 1518, 1683, 2259, 2277, 2346, 2761, 3366, 3519, 4267, 4301, 4518, 4554, 5522, 5773, 7038, 8283, 8534, 8602, 11546, 12801, 12903, 16566, 17319, 24849, 25602, 25806, 34638, 38403, 38709, 46937, 49698, 51957, 63503, 76806, 77418, 93874, 98141, 103914, 127006, 140811, 190509, 196282, 281622, 294423, 381018, 422433, 571527, 588846, 844866, 883269, 1079551, 1143054, 1766538, 2159102, 3238653, 6477306, 9715959, 19431918]

約数ペア:

[(1, 19431918), (2, 9715959), (3, 6477306), (6, 3238653), (9, 2159102), (11, 1766538), (17, 1143054), (18, 1079551), (22, 883269), (23, 844866), (33, 588846), (34, 571527), (46, 422433), (51, 381018), (66, 294423), (69, 281622), (99, 196282), (102, 190509), (138, 140811), (153, 127006), (187, 103914), (198, 98141), (207, 93874), (251, 77418), (253, 76806), (306, 63503), (374, 51957), (391, 49698), (414, 46937), (502, 38709), (506, 38403), (561, 34638), (753, 25806), (759, 25602), (782, 24849), (1122, 17319), (1173, 16566), (1506, 12903), (1518, 12801), (1683, 11546), (2259, 8602), (2277, 8534), (2346, 8283), (2761, 7038), (3366, 5773), (3519, 5522), (4267, 4554), (4301, 4518)]