18415845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 40884480

約数和(自身を除く): 22468635

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 153, 171, 181, 255, 285, 315, 323, 357, 399, 543, 595, 665, 765, 855, 905, 969, 1071, 1197, 1267, 1615, 1629, 1785, 1995, 2261, 2715, 2907, 3077, 3439, 3801, 4845, 5355, 5985, 6335, 6783, 8145, 9231, 10317, 11305, 11403, 14535, 15385, 17195, 19005, 20349, 21539, 24073, 27693, 30951, 33915, 46155, 51585, 57015, 58463, 64617, 72219, 101745, 107695, 120365, 138465, 154755, 175389, 193851, 216657, 292315, 323085, 361095, 409241, 526167, 876945, 969255, 1083285, 1227723, 2046205, 2630835, 3683169, 6138615, 18415845]

約数ペア:

[(1, 18415845), (3, 6138615), (5, 3683169), (7, 2630835), (9, 2046205), (15, 1227723), (17, 1083285), (19, 969255), (21, 876945), (35, 526167), (45, 409241), (51, 361095), (57, 323085), (63, 292315), (85, 216657), (95, 193851), (105, 175389), (119, 154755), (133, 138465), (153, 120365), (171, 107695), (181, 101745), (255, 72219), (285, 64617), (315, 58463), (323, 57015), (357, 51585), (399, 46155), (543, 33915), (595, 30951), (665, 27693), (765, 24073), (855, 21539), (905, 20349), (969, 19005), (1071, 17195), (1197, 15385), (1267, 14535), (1615, 11403), (1629, 11305), (1785, 10317), (1995, 9231), (2261, 8145), (2715, 6783), (2907, 6335), (3077, 5985), (3439, 5355), (3801, 4845)]