18897948

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 54153792

約数和(自身を除く): 35255844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 47, 51, 54, 68, 73, 81, 94, 102, 108, 141, 146, 153, 162, 188, 204, 219, 282, 292, 306, 324, 423, 438, 459, 564, 612, 657, 799, 846, 876, 918, 1241, 1269, 1314, 1377, 1598, 1692, 1836, 1971, 2397, 2482, 2538, 2628, 2754, 3196, 3431, 3723, 3807, 3942, 4794, 4964, 5076, 5508, 5913, 6862, 7191, 7446, 7614, 7884, 9588, 10293, 11169, 11826, 13724, 14382, 14892, 15228, 20586, 21573, 22338, 23652, 28764, 30879, 33507, 41172, 43146, 44676, 58327, 61758, 64719, 67014, 86292, 92637, 100521, 116654, 123516, 129438, 134028, 174981, 185274, 201042, 233308, 258876, 277911, 349962, 370548, 402084, 524943, 555822, 699924, 1049886, 1111644, 1574829, 2099772, 3149658, 4724487, 6299316, 9448974, 18897948]

約数ペア:

[(1, 18897948), (2, 9448974), (3, 6299316), (4, 4724487), (6, 3149658), (9, 2099772), (12, 1574829), (17, 1111644), (18, 1049886), (27, 699924), (34, 555822), (36, 524943), (47, 402084), (51, 370548), (54, 349962), (68, 277911), (73, 258876), (81, 233308), (94, 201042), (102, 185274), (108, 174981), (141, 134028), (146, 129438), (153, 123516), (162, 116654), (188, 100521), (204, 92637), (219, 86292), (282, 67014), (292, 64719), (306, 61758), (324, 58327), (423, 44676), (438, 43146), (459, 41172), (564, 33507), (612, 30879), (657, 28764), (799, 23652), (846, 22338), (876, 21573), (918, 20586), (1241, 15228), (1269, 14892), (1314, 14382), (1377, 13724), (1598, 11826), (1692, 11169), (1836, 10293), (1971, 9588), (2397, 7884), (2482, 7614), (2538, 7446), (2628, 7191), (2754, 6862), (3196, 5913), (3431, 5508), (3723, 5076), (3807, 4964), (3942, 4794)]