18481908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 45893120

約数和(自身を除く): 27411212

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 103, 114, 206, 228, 309, 412, 618, 787, 1236, 1574, 1957, 2361, 3148, 3914, 4722, 5871, 7828, 9444, 11742, 14953, 23484, 29906, 44859, 59812, 81061, 89718, 162122, 179436, 243183, 324244, 486366, 972732, 1540159, 3080318, 4620477, 6160636, 9240954, 18481908]

約数ペア:

[(1, 18481908), (2, 9240954), (3, 6160636), (4, 4620477), (6, 3080318), (12, 1540159), (19, 972732), (38, 486366), (57, 324244), (76, 243183), (103, 179436), (114, 162122), (206, 89718), (228, 81061), (309, 59812), (412, 44859), (618, 29906), (787, 23484), (1236, 14953), (1574, 11742), (1957, 9444), (2361, 7828), (3148, 5871), (3914, 4722)]