18067712

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 39919320

約数和(自身を除く): 21851608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 89, 104, 122, 128, 178, 208, 244, 256, 356, 416, 488, 712, 793, 832, 976, 1157, 1424, 1586, 1664, 1952, 2314, 2848, 3172, 3328, 3904, 4628, 5429, 5696, 6344, 7808, 9256, 10858, 11392, 12688, 15616, 18512, 21716, 22784, 25376, 37024, 43432, 50752, 70577, 74048, 86864, 101504, 141154, 148096, 173728, 203008, 282308, 296192, 347456, 564616, 694912, 1129232, 1389824, 2258464, 4516928, 9033856, 18067712]

約数ペア:

[(1, 18067712), (2, 9033856), (4, 4516928), (8, 2258464), (13, 1389824), (16, 1129232), (26, 694912), (32, 564616), (52, 347456), (61, 296192), (64, 282308), (89, 203008), (104, 173728), (122, 148096), (128, 141154), (178, 101504), (208, 86864), (244, 74048), (256, 70577), (356, 50752), (416, 43432), (488, 37024), (712, 25376), (793, 22784), (832, 21716), (976, 18512), (1157, 15616), (1424, 12688), (1586, 11392), (1664, 10858), (1952, 9256), (2314, 7808), (2848, 6344), (3172, 5696), (3328, 5429), (3904, 4628)]