18888909728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{2203}}^1\times {\mathrm{20611}}^1$

素因数の和:22837

約数の個数: 48

約数和(自身を含む): 40068243936

約数和(自身を除く): 21179334208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 2203, 4406, 8812, 17624, 20611, 28639, 35248, 41222, 57278, 70496, 82444, 114556, 164888, 229112, 267943, 329776, 458224, 535886, 659552, 916448, 1071772, 2143544, 4287088, 8574176, 45406033, 90812066, 181624132, 363248264, 590278429, 726496528, 1180556858, 1452993056, 2361113716, 4722227432, 9444454864, 18888909728]

約数ペア:

[(1, 18888909728), (2, 9444454864), (4, 4722227432), (8, 2361113716), (13, 1452993056), (16, 1180556858), (26, 726496528), (32, 590278429), (52, 363248264), (104, 181624132), (208, 90812066), (416, 45406033), (2203, 8574176), (4406, 4287088), (8812, 2143544), (17624, 1071772), (20611, 916448), (28639, 659552), (35248, 535886), (41222, 458224), (57278, 329776), (70496, 267943), (82444, 229112), (114556, 164888)]