19389184

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 41942880

約数和(自身を除く): 22553696

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 64, 74, 89, 92, 128, 148, 178, 184, 256, 296, 356, 368, 592, 712, 736, 851, 1184, 1424, 1472, 1702, 2047, 2368, 2848, 2944, 3293, 3404, 4094, 4736, 5696, 5888, 6586, 6808, 8188, 9472, 11392, 13172, 13616, 16376, 22784, 26344, 27232, 32752, 52688, 54464, 65504, 75739, 105376, 108928, 131008, 151478, 210752, 217856, 262016, 302956, 421504, 524032, 605912, 843008, 1211824, 2423648, 4847296, 9694592, 19389184]

約数ペア:

[(1, 19389184), (2, 9694592), (4, 4847296), (8, 2423648), (16, 1211824), (23, 843008), (32, 605912), (37, 524032), (46, 421504), (64, 302956), (74, 262016), (89, 217856), (92, 210752), (128, 151478), (148, 131008), (178, 108928), (184, 105376), (256, 75739), (296, 65504), (356, 54464), (368, 52688), (592, 32752), (712, 27232), (736, 26344), (851, 22784), (1184, 16376), (1424, 13616), (1472, 13172), (1702, 11392), (2047, 9472), (2368, 8188), (2848, 6808), (2944, 6586), (3293, 5888), (3404, 5696), (4094, 4736)]