2019194548

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 4258383360

約数和(自身を除く): 2239188812

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 439, 757, 868, 878, 1514, 1519, 1756, 3028, 3038, 3073, 5299, 6076, 6146, 10598, 12292, 13609, 21196, 21511, 23467, 27218, 37093, 43022, 46934, 54436, 74186, 86044, 93868, 95263, 148372, 164269, 190526, 328538, 332323, 381052, 657076, 664646, 666841, 1149883, 1329292, 1333682, 2299766, 2326261, 2667364, 4599532, 4652522, 9305044, 10302013, 16283827, 20604026, 32567654, 41208052, 65135308, 72114091, 144228182, 288456364, 504798637, 1009597274, 2019194548]

約数ペア:

[(1, 2019194548), (2, 1009597274), (4, 504798637), (7, 288456364), (14, 144228182), (28, 72114091), (31, 65135308), (49, 41208052), (62, 32567654), (98, 20604026), (124, 16283827), (196, 10302013), (217, 9305044), (434, 4652522), (439, 4599532), (757, 2667364), (868, 2326261), (878, 2299766), (1514, 1333682), (1519, 1329292), (1756, 1149883), (3028, 666841), (3038, 664646), (3073, 657076), (5299, 381052), (6076, 332323), (6146, 328538), (10598, 190526), (12292, 164269), (13609, 148372), (21196, 95263), (21511, 93868), (23467, 86044), (27218, 74186), (37093, 54436), (43022, 46934)]