18754016

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 20364448

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 83, 92, 166, 184, 307, 332, 368, 614, 664, 736, 1228, 1328, 1909, 2456, 2656, 3818, 4912, 7061, 7636, 9824, 14122, 15272, 25481, 28244, 30544, 50962, 56488, 61088, 101924, 112976, 203848, 225952, 407696, 586063, 815392, 1172126, 2344252, 4688504, 9377008, 18754016]

約数ペア:

[(1, 18754016), (2, 9377008), (4, 4688504), (8, 2344252), (16, 1172126), (23, 815392), (32, 586063), (46, 407696), (83, 225952), (92, 203848), (166, 112976), (184, 101924), (307, 61088), (332, 56488), (368, 50962), (614, 30544), (664, 28244), (736, 25481), (1228, 15272), (1328, 14122), (1909, 9824), (2456, 7636), (2656, 7061), (3818, 4912)]