18219546

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25326054

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 89, 102, 153, 178, 223, 267, 306, 446, 459, 534, 669, 801, 918, 1338, 1513, 1602, 2007, 2403, 3026, 3791, 4014, 4539, 4806, 6021, 7582, 9078, 11373, 12042, 13617, 19847, 22746, 27234, 34119, 39694, 40851, 59541, 68238, 81702, 102357, 119082, 178623, 204714, 337399, 357246, 535869, 674798, 1012197, 1071738, 2024394, 3036591, 6073182, 9109773, 18219546]

約数ペア:

[(1, 18219546), (2, 9109773), (3, 6073182), (6, 3036591), (9, 2024394), (17, 1071738), (18, 1012197), (27, 674798), (34, 535869), (51, 357246), (54, 337399), (89, 204714), (102, 178623), (153, 119082), (178, 102357), (223, 81702), (267, 68238), (306, 59541), (446, 40851), (459, 39694), (534, 34119), (669, 27234), (801, 22746), (918, 19847), (1338, 13617), (1513, 12042), (1602, 11373), (2007, 9078), (2403, 7582), (3026, 6021), (3791, 4806), (4014, 4539)]