19212870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 48420864

約数和(自身を除く): 29207994

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 73, 93, 146, 155, 186, 219, 283, 310, 365, 438, 465, 566, 730, 849, 930, 1095, 1415, 1698, 2190, 2263, 2830, 4245, 4526, 6789, 8490, 8773, 11315, 13578, 17546, 20659, 22630, 26319, 33945, 41318, 43865, 52638, 61977, 67890, 87730, 103295, 123954, 131595, 206590, 263190, 309885, 619770, 640429, 1280858, 1921287, 3202145, 3842574, 6404290, 9606435, 19212870]

約数ペア:

[(1, 19212870), (2, 9606435), (3, 6404290), (5, 3842574), (6, 3202145), (10, 1921287), (15, 1280858), (30, 640429), (31, 619770), (62, 309885), (73, 263190), (93, 206590), (146, 131595), (155, 123954), (186, 103295), (219, 87730), (283, 67890), (310, 61977), (365, 52638), (438, 43865), (465, 41318), (566, 33945), (730, 26319), (849, 22630), (930, 20659), (1095, 17546), (1415, 13578), (1698, 11315), (2190, 8773), (2263, 8490), (2830, 6789), (4245, 4526)]