18988830

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 160

約数和(自身を含む): 62099136

約数和(自身を除く): 43110306

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 81, 85, 90, 102, 105, 119, 126, 135, 153, 162, 170, 189, 197, 210, 238, 255, 270, 306, 315, 357, 378, 394, 405, 459, 510, 567, 591, 595, 630, 714, 765, 810, 918, 945, 985, 1071, 1134, 1182, 1190, 1377, 1379, 1530, 1773, 1785, 1890, 1970, 2142, 2295, 2754, 2758, 2835, 2955, 3213, 3349, 3546, 3570, 4137, 4590, 5319, 5355, 5670, 5910, 6426, 6698, 6885, 6895, 8274, 8865, 9639, 10047, 10638, 10710, 12411, 13770, 13790, 15957, 16065, 16745, 17730, 19278, 20094, 20685, 23443, 24822, 26595, 30141, 31914, 32130, 33490, 37233, 41370, 46886, 48195, 50235, 53190, 60282, 62055, 70329, 74466, 79785, 90423, 96390, 100470, 111699, 117215, 124110, 140658, 150705, 159570, 180846, 186165, 210987, 223398, 234430, 271269, 301410, 351645, 372330, 421974, 452115, 542538, 558495, 632961, 703290, 904230, 1054935, 1116990, 1265922, 1356345, 1898883, 2109870, 2712690, 3164805, 3797766, 6329610, 9494415, 18988830]

約数ペア:

[(1, 18988830), (2, 9494415), (3, 6329610), (5, 3797766), (6, 3164805), (7, 2712690), (9, 2109870), (10, 1898883), (14, 1356345), (15, 1265922), (17, 1116990), (18, 1054935), (21, 904230), (27, 703290), (30, 632961), (34, 558495), (35, 542538), (42, 452115), (45, 421974), (51, 372330), (54, 351645), (63, 301410), (70, 271269), (81, 234430), (85, 223398), (90, 210987), (102, 186165), (105, 180846), (119, 159570), (126, 150705), (135, 140658), (153, 124110), (162, 117215), (170, 111699), (189, 100470), (197, 96390), (210, 90423), (238, 79785), (255, 74466), (270, 70329), (306, 62055), (315, 60282), (357, 53190), (378, 50235), (394, 48195), (405, 46886), (459, 41370), (510, 37233), (567, 33490), (591, 32130), (595, 31914), (630, 30141), (714, 26595), (765, 24822), (810, 23443), (918, 20685), (945, 20094), (985, 19278), (1071, 17730), (1134, 16745), (1182, 16065), (1190, 15957), (1377, 13790), (1379, 13770), (1530, 12411), (1773, 10710), (1785, 10638), (1890, 10047), (1970, 9639), (2142, 8865), (2295, 8274), (2754, 6895), (2758, 6885), (2835, 6698), (2955, 6426), (3213, 5910), (3349, 5670), (3546, 5355), (3570, 5319), (4137, 4590)]