18922688

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 56

約数和(自身を含む): 39495984

約数和(自身を除く): 20573296

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 64, 74, 122, 131, 148, 244, 262, 296, 488, 524, 592, 976, 1048, 1184, 1952, 2096, 2257, 2368, 3904, 4192, 4514, 4847, 7991, 8384, 9028, 9694, 15982, 18056, 19388, 31964, 36112, 38776, 63928, 72224, 77552, 127856, 144448, 155104, 255712, 295667, 310208, 511424, 591334, 1182668, 2365336, 4730672, 9461344, 18922688]

約数ペア:

[(1, 18922688), (2, 9461344), (4, 4730672), (8, 2365336), (16, 1182668), (32, 591334), (37, 511424), (61, 310208), (64, 295667), (74, 255712), (122, 155104), (131, 144448), (148, 127856), (244, 77552), (262, 72224), (296, 63928), (488, 38776), (524, 36112), (592, 31964), (976, 19388), (1048, 18056), (1184, 15982), (1952, 9694), (2096, 9028), (2257, 8384), (2368, 7991), (3904, 4847), (4192, 4514)]