19201275

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1476

約数の個数: 36

約数和(自身を含む): 34980400

約数和(自身を除く): 15779125

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1399, 1525, 2745, 4197, 4575, 6995, 12591, 13725, 20985, 34975, 62955, 85339, 104925, 256017, 314775, 426695, 768051, 1280085, 2133475, 3840255, 6400425, 19201275]

約数ペア:

[(1, 19201275), (3, 6400425), (5, 3840255), (9, 2133475), (15, 1280085), (25, 768051), (45, 426695), (61, 314775), (75, 256017), (183, 104925), (225, 85339), (305, 62955), (549, 34975), (915, 20985), (1399, 13725), (1525, 12591), (2745, 6995), (4197, 4575)]