16668468

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 45130176

約数和(自身を除く): 28461708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 41, 46, 69, 82, 92, 123, 138, 164, 207, 246, 276, 369, 414, 491, 492, 738, 828, 943, 982, 1473, 1476, 1886, 1964, 2829, 2946, 3772, 4419, 5658, 5892, 8487, 8838, 11293, 11316, 16974, 17676, 20131, 22586, 33879, 33948, 40262, 45172, 60393, 67758, 80524, 101637, 120786, 135516, 181179, 203274, 241572, 362358, 406548, 463013, 724716, 926026, 1389039, 1852052, 2778078, 4167117, 5556156, 8334234, 16668468]

約数ペア:

[(1, 16668468), (2, 8334234), (3, 5556156), (4, 4167117), (6, 2778078), (9, 1852052), (12, 1389039), (18, 926026), (23, 724716), (36, 463013), (41, 406548), (46, 362358), (69, 241572), (82, 203274), (92, 181179), (123, 135516), (138, 120786), (164, 101637), (207, 80524), (246, 67758), (276, 60393), (369, 45172), (414, 40262), (491, 33948), (492, 33879), (738, 22586), (828, 20131), (943, 17676), (982, 16974), (1473, 11316), (1476, 11293), (1886, 8838), (1964, 8487), (2829, 5892), (2946, 5658), (3772, 4419)]