19881660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14407}}^1$

素因数の和:14442

約数の個数: 48

約数和(自身を含む): 58093056

約数和(自身を除く): 38211396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14407, 28814, 43221, 57628, 72035, 86442, 144070, 172884, 216105, 288140, 331361, 432210, 662722, 864420, 994083, 1325444, 1656805, 1988166, 3313610, 3976332, 4970415, 6627220, 9940830, 19881660]

約数ペア:

[(1, 19881660), (2, 9940830), (3, 6627220), (4, 4970415), (5, 3976332), (6, 3313610), (10, 1988166), (12, 1656805), (15, 1325444), (20, 994083), (23, 864420), (30, 662722), (46, 432210), (60, 331361), (69, 288140), (92, 216105), (115, 172884), (138, 144070), (230, 86442), (276, 72035), (345, 57628), (460, 43221), (690, 28814), (1380, 14407)]