18910565568

素因数分解:

$2^6\times 3^2\times {\mathrm{421}}^1\times {\mathrm{77983}}^1$

素因数の和:78422

約数の個数: 84

約数和(自身を含む): 54333168448

約数和(自身を除く): 35422602880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 421, 576, 842, 1263, 1684, 2526, 3368, 3789, 5052, 6736, 7578, 10104, 13472, 15156, 20208, 26944, 30312, 40416, 60624, 77983, 80832, 121248, 155966, 233949, 242496, 311932, 467898, 623864, 701847, 935796, 1247728, 1403694, 1871592, 2495456, 2807388, 3743184, 4990912, 5614776, 7486368, 11229552, 14972736, 22459104, 32830843, 44918208, 65661686, 98492529, 131323372, 196985058, 262646744, 295477587, 393970116, 525293488, 590955174, 787940232, 1050586976, 1181910348, 1575880464, 2101173952, 2363820696, 3151760928, 4727641392, 6303521856, 9455282784, 18910565568]

約数ペア:

[(1, 18910565568), (2, 9455282784), (3, 6303521856), (4, 4727641392), (6, 3151760928), (8, 2363820696), (9, 2101173952), (12, 1575880464), (16, 1181910348), (18, 1050586976), (24, 787940232), (32, 590955174), (36, 525293488), (48, 393970116), (64, 295477587), (72, 262646744), (96, 196985058), (144, 131323372), (192, 98492529), (288, 65661686), (421, 44918208), (576, 32830843), (842, 22459104), (1263, 14972736), (1684, 11229552), (2526, 7486368), (3368, 5614776), (3789, 4990912), (5052, 3743184), (6736, 2807388), (7578, 2495456), (10104, 1871592), (13472, 1403694), (15156, 1247728), (20208, 935796), (26944, 701847), (30312, 623864), (40416, 467898), (60624, 311932), (77983, 242496), (80832, 233949), (121248, 155966)]