19907650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2515

約数の個数: 48

約数和(自身を含む): 44175744

約数和(自身を除く): 24268094

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2473, 4025, 4946, 8050, 12365, 17311, 24730, 34622, 56879, 61825, 86555, 113758, 123650, 173110, 284395, 398153, 432775, 568790, 796306, 865550, 1421975, 1990765, 2843950, 3981530, 9953825, 19907650]

約数ペア:

[(1, 19907650), (2, 9953825), (5, 3981530), (7, 2843950), (10, 1990765), (14, 1421975), (23, 865550), (25, 796306), (35, 568790), (46, 432775), (50, 398153), (70, 284395), (115, 173110), (161, 123650), (175, 113758), (230, 86555), (322, 61825), (350, 56879), (575, 34622), (805, 24730), (1150, 17311), (1610, 12365), (2473, 8050), (4025, 4946)]