2019935505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^2$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 3984307200

約数和(自身を除く): 1964371695

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 59, 95, 105, 131, 133, 177, 285, 295, 393, 399, 413, 655, 665, 885, 917, 1121, 1239, 1965, 1995, 2065, 2489, 2751, 3363, 4585, 5605, 6195, 7467, 7729, 7847, 12445, 13755, 16815, 17161, 17423, 23187, 23541, 37335, 38645, 39235, 51483, 52269, 54103, 85805, 87115, 115935, 117705, 120127, 146851, 162309, 257415, 261345, 270515, 326059, 360381, 440553, 600635, 734255, 811545, 978177, 1012499, 1027957, 1630295, 1801905, 2202765, 2282413, 3037497, 3083871, 4890885, 5062495, 5139785, 6847239, 7087493, 11412065, 15187485, 15419355, 19237481, 21262479, 34236195, 35437465, 57712443, 96187405, 106312395, 134662367, 288562215, 403987101, 673311835, 2019935505]

約数ペア:

[(1, 2019935505), (3, 673311835), (5, 403987101), (7, 288562215), (15, 134662367), (19, 106312395), (21, 96187405), (35, 57712443), (57, 35437465), (59, 34236195), (95, 21262479), (105, 19237481), (131, 15419355), (133, 15187485), (177, 11412065), (285, 7087493), (295, 6847239), (393, 5139785), (399, 5062495), (413, 4890885), (655, 3083871), (665, 3037497), (885, 2282413), (917, 2202765), (1121, 1801905), (1239, 1630295), (1965, 1027957), (1995, 1012499), (2065, 978177), (2489, 811545), (2751, 734255), (3363, 600635), (4585, 440553), (5605, 360381), (6195, 326059), (7467, 270515), (7729, 261345), (7847, 257415), (12445, 162309), (13755, 146851), (16815, 120127), (17161, 117705), (17423, 115935), (23187, 87115), (23541, 85805), (37335, 54103), (38645, 52269), (39235, 51483)]