18697712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 24156688

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 44, 46, 62, 88, 92, 124, 149, 176, 184, 248, 253, 298, 341, 368, 496, 506, 596, 682, 713, 1012, 1192, 1364, 1426, 1639, 2024, 2384, 2728, 2852, 3278, 3427, 4048, 4619, 5456, 5704, 6556, 6854, 7843, 9238, 11408, 13112, 13708, 15686, 18476, 26224, 27416, 31372, 36952, 37697, 50809, 54832, 62744, 73904, 75394, 101618, 106237, 125488, 150788, 203236, 212474, 301576, 406472, 424948, 603152, 812944, 849896, 1168607, 1699792, 2337214, 4674428, 9348856, 18697712]

約数ペア:

[(1, 18697712), (2, 9348856), (4, 4674428), (8, 2337214), (11, 1699792), (16, 1168607), (22, 849896), (23, 812944), (31, 603152), (44, 424948), (46, 406472), (62, 301576), (88, 212474), (92, 203236), (124, 150788), (149, 125488), (176, 106237), (184, 101618), (248, 75394), (253, 73904), (298, 62744), (341, 54832), (368, 50809), (496, 37697), (506, 36952), (596, 31372), (682, 27416), (713, 26224), (1012, 18476), (1192, 15686), (1364, 13708), (1426, 13112), (1639, 11408), (2024, 9238), (2384, 7843), (2728, 6854), (2852, 6556), (3278, 5704), (3427, 5456), (4048, 4619)]