18230240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 50549184

約数和(自身を除く): 32318944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 328, 397, 410, 560, 574, 656, 794, 820, 1120, 1148, 1312, 1435, 1588, 1640, 1985, 2296, 2779, 2870, 3176, 3280, 3970, 4592, 5558, 5740, 6352, 6560, 7940, 9184, 11116, 11480, 12704, 13895, 15880, 16277, 22232, 22960, 27790, 31760, 32554, 44464, 45920, 55580, 63520, 65108, 81385, 88928, 111160, 113939, 130216, 162770, 222320, 227878, 260432, 325540, 444640, 455756, 520864, 569695, 651080, 911512, 1139390, 1302160, 1823024, 2278780, 2604320, 3646048, 4557560, 9115120, 18230240]

約数ペア:

[(1, 18230240), (2, 9115120), (4, 4557560), (5, 3646048), (7, 2604320), (8, 2278780), (10, 1823024), (14, 1302160), (16, 1139390), (20, 911512), (28, 651080), (32, 569695), (35, 520864), (40, 455756), (41, 444640), (56, 325540), (70, 260432), (80, 227878), (82, 222320), (112, 162770), (140, 130216), (160, 113939), (164, 111160), (205, 88928), (224, 81385), (280, 65108), (287, 63520), (328, 55580), (397, 45920), (410, 44464), (560, 32554), (574, 31760), (656, 27790), (794, 22960), (820, 22232), (1120, 16277), (1148, 15880), (1312, 13895), (1435, 12704), (1588, 11480), (1640, 11116), (1985, 9184), (2296, 7940), (2779, 6560), (2870, 6352), (3176, 5740), (3280, 5558), (3970, 4592)]