2019920032

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{61463}}^1$

素因数の和:61565

約数の個数: 48

約数和(自身を含む): 4336899840

約数和(自身を除く): 2316979808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 632, 1027, 1264, 2054, 2528, 4108, 8216, 16432, 32864, 61463, 122926, 245852, 491704, 799019, 983408, 1598038, 1966816, 3196076, 4855577, 6392152, 9711154, 12784304, 19422308, 25568608, 38844616, 63122501, 77689232, 126245002, 155378464, 252490004, 504980008, 1009960016, 2019920032]

約数ペア:

[(1, 2019920032), (2, 1009960016), (4, 504980008), (8, 252490004), (13, 155378464), (16, 126245002), (26, 77689232), (32, 63122501), (52, 38844616), (79, 25568608), (104, 19422308), (158, 12784304), (208, 9711154), (316, 6392152), (416, 4855577), (632, 3196076), (1027, 1966816), (1264, 1598038), (2054, 983408), (2528, 799019), (4108, 491704), (8216, 245852), (16432, 122926), (32864, 61463)]