19778772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6673}}^1$

素因数の和:6712

約数の個数: 48

約数和(自身を含む): 52324160

約数和(自身を除く): 32545388

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6673, 13346, 20019, 26692, 40038, 80076, 86749, 126787, 173498, 253574, 260247, 346996, 380361, 507148, 520494, 760722, 1040988, 1521444, 1648231, 3296462, 4944693, 6592924, 9889386, 19778772]

約数ペア:

[(1, 19778772), (2, 9889386), (3, 6592924), (4, 4944693), (6, 3296462), (12, 1648231), (13, 1521444), (19, 1040988), (26, 760722), (38, 520494), (39, 507148), (52, 380361), (57, 346996), (76, 260247), (78, 253574), (114, 173498), (156, 126787), (228, 86749), (247, 80076), (494, 40038), (741, 26692), (988, 20019), (1482, 13346), (2964, 6673)]