19003275

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 35712000

約数和(自身を除く): 16708725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 423, 599, 675, 705, 1175, 1269, 1797, 2115, 2995, 3525, 5391, 6345, 8985, 10575, 14975, 16173, 26955, 28153, 31725, 44925, 80865, 84459, 134775, 140765, 253377, 404325, 422295, 703825, 760131, 1266885, 2111475, 3800655, 6334425, 19003275]

約数ペア:

[(1, 19003275), (3, 6334425), (5, 3800655), (9, 2111475), (15, 1266885), (25, 760131), (27, 703825), (45, 422295), (47, 404325), (75, 253377), (135, 140765), (141, 134775), (225, 84459), (235, 80865), (423, 44925), (599, 31725), (675, 28153), (705, 26955), (1175, 16173), (1269, 14975), (1797, 10575), (2115, 8985), (2995, 6345), (3525, 5391)]