19808128

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9103}}^1$

素因数の和:9134

約数の個数: 32

約数和(自身を含む): 41787360

約数和(自身を除く): 21979232

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9103, 18206, 36412, 72824, 145648, 154751, 291296, 309502, 582592, 619004, 1165184, 1238008, 2476016, 4952032, 9904064, 19808128]

約数ペア:

[(1, 19808128), (2, 9904064), (4, 4952032), (8, 2476016), (16, 1238008), (17, 1165184), (32, 619004), (34, 582592), (64, 309502), (68, 291296), (128, 154751), (136, 145648), (272, 72824), (544, 36412), (1088, 18206), (2176, 9103)]