18858752

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 42408912

約数和(自身を除く): 23550160

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 181, 256, 296, 352, 362, 407, 592, 704, 724, 814, 1184, 1408, 1448, 1628, 1991, 2368, 2816, 2896, 3256, 3982, 4736, 5792, 6512, 6697, 7964, 9472, 11584, 13024, 13394, 15928, 23168, 26048, 26788, 31856, 46336, 52096, 53576, 63712, 73667, 104192, 107152, 127424, 147334, 214304, 254848, 294668, 428608, 509696, 589336, 857216, 1178672, 1714432, 2357344, 4714688, 9429376, 18858752]

約数ペア:

[(1, 18858752), (2, 9429376), (4, 4714688), (8, 2357344), (11, 1714432), (16, 1178672), (22, 857216), (32, 589336), (37, 509696), (44, 428608), (64, 294668), (74, 254848), (88, 214304), (128, 147334), (148, 127424), (176, 107152), (181, 104192), (256, 73667), (296, 63712), (352, 53576), (362, 52096), (407, 46336), (592, 31856), (704, 26788), (724, 26048), (814, 23168), (1184, 15928), (1408, 13394), (1448, 13024), (1628, 11584), (1991, 9472), (2368, 7964), (2816, 6697), (2896, 6512), (3256, 5792), (3982, 4736)]