19878804

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:630

約数の個数: 96

約数和(自身を含む): 58262400

約数和(自身を除く): 38383596

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 29, 33, 36, 44, 54, 58, 66, 87, 99, 108, 116, 132, 174, 198, 261, 297, 319, 348, 396, 522, 577, 594, 638, 783, 957, 1044, 1154, 1188, 1276, 1566, 1731, 1914, 2308, 2871, 3132, 3462, 3828, 5193, 5742, 6347, 6924, 8613, 10386, 11484, 12694, 15579, 16733, 17226, 19041, 20772, 25388, 31158, 33466, 34452, 38082, 50199, 57123, 62316, 66932, 76164, 100398, 114246, 150597, 171369, 184063, 200796, 228492, 301194, 342738, 368126, 451791, 552189, 602388, 685476, 736252, 903582, 1104378, 1656567, 1807164, 2208756, 3313134, 4969701, 6626268, 9939402, 19878804]

約数ペア:

[(1, 19878804), (2, 9939402), (3, 6626268), (4, 4969701), (6, 3313134), (9, 2208756), (11, 1807164), (12, 1656567), (18, 1104378), (22, 903582), (27, 736252), (29, 685476), (33, 602388), (36, 552189), (44, 451791), (54, 368126), (58, 342738), (66, 301194), (87, 228492), (99, 200796), (108, 184063), (116, 171369), (132, 150597), (174, 114246), (198, 100398), (261, 76164), (297, 66932), (319, 62316), (348, 57123), (396, 50199), (522, 38082), (577, 34452), (594, 33466), (638, 31158), (783, 25388), (957, 20772), (1044, 19041), (1154, 17226), (1188, 16733), (1276, 15579), (1566, 12694), (1731, 11484), (1914, 10386), (2308, 8613), (2871, 6924), (3132, 6347), (3462, 5742), (3828, 5193)]