19590140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 44728320

約数和(自身を除く): 25138180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1663, 2356, 2945, 3326, 5890, 6652, 8315, 11780, 16630, 31597, 33260, 51553, 63194, 103106, 126388, 157985, 206212, 257765, 315970, 515530, 631940, 979507, 1031060, 1959014, 3918028, 4897535, 9795070, 19590140]

約数ペア:

[(1, 19590140), (2, 9795070), (4, 4897535), (5, 3918028), (10, 1959014), (19, 1031060), (20, 979507), (31, 631940), (38, 515530), (62, 315970), (76, 257765), (95, 206212), (124, 157985), (155, 126388), (190, 103106), (310, 63194), (380, 51553), (589, 33260), (620, 31597), (1178, 16630), (1663, 11780), (2356, 8315), (2945, 6652), (3326, 5890)]