19699732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 39639040

約数和(自身を除く): 19939308

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 127, 157, 247, 254, 314, 494, 508, 628, 988, 1651, 2041, 2413, 2983, 3302, 4082, 4826, 5966, 6604, 8164, 9652, 11932, 19939, 31369, 38779, 39878, 62738, 77558, 79756, 125476, 155116, 259207, 378841, 518414, 757682, 1036828, 1515364, 4924933, 9849866, 19699732]

約数ペア:

[(1, 19699732), (2, 9849866), (4, 4924933), (13, 1515364), (19, 1036828), (26, 757682), (38, 518414), (52, 378841), (76, 259207), (127, 155116), (157, 125476), (247, 79756), (254, 77558), (314, 62738), (494, 39878), (508, 38779), (628, 31369), (988, 19939), (1651, 11932), (2041, 9652), (2413, 8164), (2983, 6604), (3302, 5966), (4082, 4826)]