18198635

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 29417472

約数和(自身を除く): 11218837

約数列:

[1, 5, 7, 13, 23, 35, 37, 47, 65, 91, 115, 161, 185, 235, 259, 299, 329, 455, 481, 611, 805, 851, 1081, 1295, 1495, 1645, 1739, 2093, 2405, 3055, 3367, 4255, 4277, 5405, 5957, 7567, 8695, 10465, 11063, 12173, 14053, 16835, 21385, 22607, 29785, 37835, 39997, 55315, 60865, 70265, 77441, 98371, 113035, 158249, 199985, 279979, 387205, 491855, 519961, 791245, 1399895, 2599805, 3639727, 18198635]

約数ペア:

[(1, 18198635), (5, 3639727), (7, 2599805), (13, 1399895), (23, 791245), (35, 519961), (37, 491855), (47, 387205), (65, 279979), (91, 199985), (115, 158249), (161, 113035), (185, 98371), (235, 77441), (259, 70265), (299, 60865), (329, 55315), (455, 39997), (481, 37835), (611, 29785), (805, 22607), (851, 21385), (1081, 16835), (1295, 14053), (1495, 12173), (1645, 11063), (1739, 10465), (2093, 8695), (2405, 7567), (3055, 5957), (3367, 5405), (4255, 4277)]