19261980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{947}}^1$

素因数の和:1075

約数の個数: 72

約数和(自身を含む): 59007312

約数和(自身を除く): 39745332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 947, 1017, 1130, 1356, 1695, 1894, 2034, 2260, 2841, 3390, 3788, 4068, 4735, 5085, 5682, 6780, 8523, 9470, 10170, 11364, 14205, 17046, 18940, 20340, 28410, 34092, 42615, 56820, 85230, 107011, 170460, 214022, 321033, 428044, 535055, 642066, 963099, 1070110, 1284132, 1605165, 1926198, 2140220, 3210330, 3852396, 4815495, 6420660, 9630990, 19261980]

約数ペア:

[(1, 19261980), (2, 9630990), (3, 6420660), (4, 4815495), (5, 3852396), (6, 3210330), (9, 2140220), (10, 1926198), (12, 1605165), (15, 1284132), (18, 1070110), (20, 963099), (30, 642066), (36, 535055), (45, 428044), (60, 321033), (90, 214022), (113, 170460), (180, 107011), (226, 85230), (339, 56820), (452, 42615), (565, 34092), (678, 28410), (947, 20340), (1017, 18940), (1130, 17046), (1356, 14205), (1695, 11364), (1894, 10170), (2034, 9470), (2260, 8523), (2841, 6780), (3390, 5682), (3788, 5085), (4068, 4735)]