19974552

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 54576480

約数和(自身を除く): 34601928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 146, 156, 219, 292, 312, 438, 584, 876, 877, 949, 1752, 1754, 1898, 2631, 2847, 3508, 3796, 5262, 5694, 7016, 7592, 10524, 11388, 11401, 21048, 22776, 22802, 34203, 45604, 64021, 68406, 91208, 128042, 136812, 192063, 256084, 273624, 384126, 512168, 768252, 832273, 1536504, 1664546, 2496819, 3329092, 4993638, 6658184, 9987276, 19974552]

約数ペア:

[(1, 19974552), (2, 9987276), (3, 6658184), (4, 4993638), (6, 3329092), (8, 2496819), (12, 1664546), (13, 1536504), (24, 832273), (26, 768252), (39, 512168), (52, 384126), (73, 273624), (78, 256084), (104, 192063), (146, 136812), (156, 128042), (219, 91208), (292, 68406), (312, 64021), (438, 45604), (584, 34203), (876, 22802), (877, 22776), (949, 21048), (1752, 11401), (1754, 11388), (1898, 10524), (2631, 7592), (2847, 7016), (3508, 5694), (3796, 5262)]