18968838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:917

約数の個数: 64

約数和(自身を含む): 47443968

約数和(自身を除く): 28475130

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 42, 51, 62, 93, 102, 119, 186, 217, 238, 357, 434, 527, 651, 714, 857, 1054, 1302, 1581, 1714, 2571, 3162, 3689, 5142, 5999, 7378, 11067, 11998, 14569, 17997, 22134, 26567, 29138, 35994, 43707, 53134, 79701, 87414, 101983, 159402, 185969, 203966, 305949, 371938, 451639, 557907, 611898, 903278, 1115814, 1354917, 2709834, 3161473, 6322946, 9484419, 18968838]

約数ペア:

[(1, 18968838), (2, 9484419), (3, 6322946), (6, 3161473), (7, 2709834), (14, 1354917), (17, 1115814), (21, 903278), (31, 611898), (34, 557907), (42, 451639), (51, 371938), (62, 305949), (93, 203966), (102, 185969), (119, 159402), (186, 101983), (217, 87414), (238, 79701), (357, 53134), (434, 43707), (527, 35994), (651, 29138), (714, 26567), (857, 22134), (1054, 17997), (1302, 14569), (1581, 11998), (1714, 11067), (2571, 7378), (3162, 5999), (3689, 5142)]