19187955

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1597}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 34516800

約数和(自身を除く): 15328845

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 1597, 2403, 4005, 4791, 7985, 12015, 14373, 23955, 43119, 71865, 142133, 215595, 426399, 710665, 1279197, 2131995, 3837591, 6395985, 19187955]

約数ペア:

[(1, 19187955), (3, 6395985), (5, 3837591), (9, 2131995), (15, 1279197), (27, 710665), (45, 426399), (89, 215595), (135, 142133), (267, 71865), (445, 43119), (801, 23955), (1335, 14373), (1597, 12015), (2403, 7985), (4005, 4791)]