18689970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2819}}^1$

素因数の和:2859

約数の個数: 64

約数和(自身を含む): 51166080

約数和(自身を除く): 32476110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 2819, 3315, 5638, 6630, 8457, 14095, 16914, 28190, 36647, 42285, 47923, 73294, 84570, 95846, 109941, 143769, 183235, 219882, 239615, 287538, 366470, 479230, 549705, 622999, 718845, 1099410, 1245998, 1437690, 1868997, 3114995, 3737994, 6229990, 9344985, 18689970]

約数ペア:

[(1, 18689970), (2, 9344985), (3, 6229990), (5, 3737994), (6, 3114995), (10, 1868997), (13, 1437690), (15, 1245998), (17, 1099410), (26, 718845), (30, 622999), (34, 549705), (39, 479230), (51, 366470), (65, 287538), (78, 239615), (85, 219882), (102, 183235), (130, 143769), (170, 109941), (195, 95846), (221, 84570), (255, 73294), (390, 47923), (442, 42285), (510, 36647), (663, 28190), (1105, 16914), (1326, 14095), (2210, 8457), (2819, 6630), (3315, 5638)]