19685050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5113}}^1$

素因数の和:5143

約数の個数: 48

約数和(自身を含む): 45657792

約数和(自身を除く): 25972742

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5113, 10226, 25565, 35791, 51130, 56243, 71582, 112486, 127825, 178955, 255650, 281215, 357910, 393701, 562430, 787402, 894775, 1406075, 1789550, 1968505, 2812150, 3937010, 9842525, 19685050]

約数ペア:

[(1, 19685050), (2, 9842525), (5, 3937010), (7, 2812150), (10, 1968505), (11, 1789550), (14, 1406075), (22, 894775), (25, 787402), (35, 562430), (50, 393701), (55, 357910), (70, 281215), (77, 255650), (110, 178955), (154, 127825), (175, 112486), (275, 71582), (350, 56243), (385, 51130), (550, 35791), (770, 25565), (1925, 10226), (3850, 5113)]