18540090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 80

約数和(自身を含む): 51017472

約数和(自身を除く): 32477382

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 81, 90, 94, 135, 141, 162, 235, 270, 282, 405, 423, 470, 487, 705, 810, 846, 974, 1269, 1410, 1461, 2115, 2435, 2538, 2922, 3807, 4230, 4383, 4870, 6345, 7305, 7614, 8766, 12690, 13149, 14610, 19035, 21915, 22889, 26298, 38070, 39447, 43830, 45778, 65745, 68667, 78894, 114445, 131490, 137334, 197235, 206001, 228890, 343335, 394470, 412002, 618003, 686670, 1030005, 1236006, 1854009, 2060010, 3090015, 3708018, 6180030, 9270045, 18540090]

約数ペア:

[(1, 18540090), (2, 9270045), (3, 6180030), (5, 3708018), (6, 3090015), (9, 2060010), (10, 1854009), (15, 1236006), (18, 1030005), (27, 686670), (30, 618003), (45, 412002), (47, 394470), (54, 343335), (81, 228890), (90, 206001), (94, 197235), (135, 137334), (141, 131490), (162, 114445), (235, 78894), (270, 68667), (282, 65745), (405, 45778), (423, 43830), (470, 39447), (487, 38070), (705, 26298), (810, 22889), (846, 21915), (974, 19035), (1269, 14610), (1410, 13149), (1461, 12690), (2115, 8766), (2435, 7614), (2538, 7305), (2922, 6345), (3807, 4870), (4230, 4383)]