18758110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 41140224

約数和(自身を除く): 22382114

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 61, 70, 115, 122, 161, 191, 230, 305, 322, 382, 427, 610, 805, 854, 955, 1337, 1403, 1610, 1910, 2135, 2674, 2806, 4270, 4393, 6685, 7015, 8786, 9821, 11651, 13370, 14030, 19642, 21965, 23302, 30751, 43930, 49105, 58255, 61502, 81557, 98210, 116510, 153755, 163114, 267973, 307510, 407785, 535946, 815570, 1339865, 1875811, 2679730, 3751622, 9379055, 18758110]

約数ペア:

[(1, 18758110), (2, 9379055), (5, 3751622), (7, 2679730), (10, 1875811), (14, 1339865), (23, 815570), (35, 535946), (46, 407785), (61, 307510), (70, 267973), (115, 163114), (122, 153755), (161, 116510), (191, 98210), (230, 81557), (305, 61502), (322, 58255), (382, 49105), (427, 43930), (610, 30751), (805, 23302), (854, 21965), (955, 19642), (1337, 14030), (1403, 13370), (1610, 11651), (1910, 9821), (2135, 8786), (2674, 7015), (2806, 6685), (4270, 4393)]