19900416

素因数分解:

$2^{11}\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 35136384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 79, 82, 96, 123, 128, 158, 164, 192, 237, 246, 256, 316, 328, 384, 474, 492, 512, 632, 656, 768, 948, 984, 1024, 1264, 1312, 1536, 1896, 1968, 2048, 2528, 2624, 3072, 3239, 3792, 3936, 5056, 5248, 6144, 6478, 7584, 7872, 9717, 10112, 10496, 12956, 15168, 15744, 19434, 20224, 20992, 25912, 30336, 31488, 38868, 40448, 41984, 51824, 60672, 62976, 77736, 80896, 83968, 103648, 121344, 125952, 155472, 161792, 207296, 242688, 251904, 310944, 414592, 485376, 621888, 829184, 1243776, 1658368, 2487552, 3316736, 4975104, 6633472, 9950208, 19900416]

約数ペア:

[(1, 19900416), (2, 9950208), (3, 6633472), (4, 4975104), (6, 3316736), (8, 2487552), (12, 1658368), (16, 1243776), (24, 829184), (32, 621888), (41, 485376), (48, 414592), (64, 310944), (79, 251904), (82, 242688), (96, 207296), (123, 161792), (128, 155472), (158, 125952), (164, 121344), (192, 103648), (237, 83968), (246, 80896), (256, 77736), (316, 62976), (328, 60672), (384, 51824), (474, 41984), (492, 40448), (512, 38868), (632, 31488), (656, 30336), (768, 25912), (948, 20992), (984, 20224), (1024, 19434), (1264, 15744), (1312, 15168), (1536, 12956), (1896, 10496), (1968, 10112), (2048, 9717), (2528, 7872), (2624, 7584), (3072, 6478), (3239, 6144), (3792, 5248), (3936, 5056)]