19712610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 54587520

約数和(自身を除く): 34874910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 89, 90, 107, 115, 138, 178, 207, 214, 230, 267, 321, 345, 414, 445, 534, 535, 642, 690, 801, 890, 963, 1035, 1070, 1335, 1602, 1605, 1926, 2047, 2070, 2461, 2670, 3210, 4005, 4094, 4815, 4922, 6141, 7383, 8010, 9523, 9630, 10235, 12282, 12305, 14766, 18423, 19046, 20470, 22149, 24610, 28569, 30705, 36846, 36915, 44298, 47615, 57138, 61410, 73830, 85707, 92115, 95230, 110745, 142845, 171414, 184230, 219029, 221490, 285690, 428535, 438058, 657087, 857070, 1095145, 1314174, 1971261, 2190290, 3285435, 3942522, 6570870, 9856305, 19712610]

約数ペア:

[(1, 19712610), (2, 9856305), (3, 6570870), (5, 3942522), (6, 3285435), (9, 2190290), (10, 1971261), (15, 1314174), (18, 1095145), (23, 857070), (30, 657087), (45, 438058), (46, 428535), (69, 285690), (89, 221490), (90, 219029), (107, 184230), (115, 171414), (138, 142845), (178, 110745), (207, 95230), (214, 92115), (230, 85707), (267, 73830), (321, 61410), (345, 57138), (414, 47615), (445, 44298), (534, 36915), (535, 36846), (642, 30705), (690, 28569), (801, 24610), (890, 22149), (963, 20470), (1035, 19046), (1070, 18423), (1335, 14766), (1602, 12305), (1605, 12282), (1926, 10235), (2047, 9630), (2070, 9523), (2461, 8010), (2670, 7383), (3210, 6141), (4005, 4922), (4094, 4815)]