18744345

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3229}}^1$

素因数の和:3286

約数の個数: 32

約数和(自身を含む): 34108800

約数和(自身を除く): 15364455

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3229, 5805, 9687, 16145, 29061, 48435, 87183, 138847, 145305, 416541, 435915, 694235, 1249623, 2082705, 3748869, 6248115, 18744345]

約数ペア:

[(1, 18744345), (3, 6248115), (5, 3748869), (9, 2082705), (15, 1249623), (27, 694235), (43, 435915), (45, 416541), (129, 145305), (135, 138847), (215, 87183), (387, 48435), (645, 29061), (1161, 16145), (1935, 9687), (3229, 5805)]