18848835

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 17646525

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 85, 129, 135, 153, 191, 215, 255, 387, 459, 573, 645, 731, 765, 955, 1161, 1719, 1935, 2193, 2295, 2865, 3247, 3655, 5157, 5805, 6579, 8213, 8595, 9741, 10965, 16235, 19737, 24639, 25785, 29223, 32895, 41065, 48705, 73917, 87669, 98685, 123195, 139621, 146115, 221751, 369585, 418863, 438345, 698105, 1108755, 1256589, 2094315, 3769767, 6282945, 18848835]

約数ペア:

[(1, 18848835), (3, 6282945), (5, 3769767), (9, 2094315), (15, 1256589), (17, 1108755), (27, 698105), (43, 438345), (45, 418863), (51, 369585), (85, 221751), (129, 146115), (135, 139621), (153, 123195), (191, 98685), (215, 87669), (255, 73917), (387, 48705), (459, 41065), (573, 32895), (645, 29223), (731, 25785), (765, 24639), (955, 19737), (1161, 16235), (1719, 10965), (1935, 9741), (2193, 8595), (2295, 8213), (2865, 6579), (3247, 5805), (3655, 5157)]