18394935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 16441545

約数列:

[1, 3, 5, 13, 15, 17, 31, 39, 51, 65, 85, 93, 155, 179, 195, 221, 255, 403, 465, 527, 537, 663, 895, 1105, 1209, 1581, 2015, 2327, 2635, 2685, 3043, 3315, 5549, 6045, 6851, 6981, 7905, 9129, 11635, 15215, 16647, 20553, 27745, 34255, 34905, 39559, 45645, 72137, 83235, 94333, 102765, 118677, 197795, 216411, 282999, 360685, 471665, 593385, 1082055, 1226329, 1414995, 3678987, 6131645, 18394935]

約数ペア:

[(1, 18394935), (3, 6131645), (5, 3678987), (13, 1414995), (15, 1226329), (17, 1082055), (31, 593385), (39, 471665), (51, 360685), (65, 282999), (85, 216411), (93, 197795), (155, 118677), (179, 102765), (195, 94333), (221, 83235), (255, 72137), (403, 45645), (465, 39559), (527, 34905), (537, 34255), (663, 27745), (895, 20553), (1105, 16647), (1209, 15215), (1581, 11635), (2015, 9129), (2327, 7905), (2635, 6981), (2685, 6851), (3043, 6045), (3315, 5549)]