18165420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1144

約数の個数: 144

約数和(自身を含む): 67878720

約数和(自身を除く): 49713300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1109, 1170, 1260, 1365, 1638, 1820, 2218, 2340, 2730, 3276, 3327, 4095, 4436, 5460, 5545, 6654, 7763, 8190, 9981, 11090, 13308, 14417, 15526, 16380, 16635, 19962, 22180, 23289, 28834, 31052, 33270, 38815, 39924, 43251, 46578, 49905, 57668, 66540, 69867, 72085, 77630, 86502, 93156, 99810, 100919, 116445, 129753, 139734, 144170, 155260, 173004, 199620, 201838, 216255, 232890, 259506, 279468, 288340, 302757, 349335, 403676, 432510, 465780, 504595, 519012, 605514, 648765, 698670, 865020, 908271, 1009190, 1211028, 1297530, 1397340, 1513785, 1816542, 2018380, 2595060, 3027570, 3633084, 4541355, 6055140, 9082710, 18165420]

約数ペア:

[(1, 18165420), (2, 9082710), (3, 6055140), (4, 4541355), (5, 3633084), (6, 3027570), (7, 2595060), (9, 2018380), (10, 1816542), (12, 1513785), (13, 1397340), (14, 1297530), (15, 1211028), (18, 1009190), (20, 908271), (21, 865020), (26, 698670), (28, 648765), (30, 605514), (35, 519012), (36, 504595), (39, 465780), (42, 432510), (45, 403676), (52, 349335), (60, 302757), (63, 288340), (65, 279468), (70, 259506), (78, 232890), (84, 216255), (90, 201838), (91, 199620), (105, 173004), (117, 155260), (126, 144170), (130, 139734), (140, 129753), (156, 116445), (180, 100919), (182, 99810), (195, 93156), (210, 86502), (234, 77630), (252, 72085), (260, 69867), (273, 66540), (315, 57668), (364, 49905), (390, 46578), (420, 43251), (455, 39924), (468, 38815), (546, 33270), (585, 31052), (630, 28834), (780, 23289), (819, 22180), (910, 19962), (1092, 16635), (1109, 16380), (1170, 15526), (1260, 14417), (1365, 13308), (1638, 11090), (1820, 9981), (2218, 8190), (2340, 7763), (2730, 6654), (3276, 5545), (3327, 5460), (4095, 4436)]