19138173604

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{367}}^1\times {\mathrm{661}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 37196265344

約数和(自身を除く): 18058091740

約数列:

[1, 2, 4, 11, 22, 44, 121, 163, 242, 326, 367, 484, 652, 661, 734, 1322, 1468, 1793, 2644, 3586, 4037, 7172, 7271, 8074, 14542, 16148, 19723, 29084, 39446, 44407, 59821, 78892, 79981, 88814, 107743, 119642, 159962, 177628, 215486, 239284, 242587, 319924, 430972, 485174, 658031, 970348, 1185173, 1316062, 2370346, 2632124, 2668457, 4740692, 5336914, 7238341, 10673828, 13036903, 14476682, 26073806, 28953364, 29353027, 39541681, 52147612, 58706054, 79083362, 117412108, 158166724, 434958491, 869916982, 1739833964, 4784543401, 9569086802, 19138173604]

約数ペア:

[(1, 19138173604), (2, 9569086802), (4, 4784543401), (11, 1739833964), (22, 869916982), (44, 434958491), (121, 158166724), (163, 117412108), (242, 79083362), (326, 58706054), (367, 52147612), (484, 39541681), (652, 29353027), (661, 28953364), (734, 26073806), (1322, 14476682), (1468, 13036903), (1793, 10673828), (2644, 7238341), (3586, 5336914), (4037, 4740692), (7172, 2668457), (7271, 2632124), (8074, 2370346), (14542, 1316062), (16148, 1185173), (19723, 970348), (29084, 658031), (39446, 485174), (44407, 430972), (59821, 319924), (78892, 242587), (79981, 239284), (88814, 215486), (107743, 177628), (119642, 159962)]