19950372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 55526016

約数和(自身を除く): 35575644

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 907, 1222, 1692, 1814, 1833, 2444, 2721, 3628, 3666, 5442, 5499, 7332, 8163, 10884, 10998, 11791, 16326, 21996, 23582, 32652, 35373, 42629, 47164, 70746, 85258, 106119, 127887, 141492, 170516, 212238, 255774, 383661, 424476, 511548, 554177, 767322, 1108354, 1534644, 1662531, 2216708, 3325062, 4987593, 6650124, 9975186, 19950372]

約数ペア:

[(1, 19950372), (2, 9975186), (3, 6650124), (4, 4987593), (6, 3325062), (9, 2216708), (12, 1662531), (13, 1534644), (18, 1108354), (26, 767322), (36, 554177), (39, 511548), (47, 424476), (52, 383661), (78, 255774), (94, 212238), (117, 170516), (141, 141492), (156, 127887), (188, 106119), (234, 85258), (282, 70746), (423, 47164), (468, 42629), (564, 35373), (611, 32652), (846, 23582), (907, 21996), (1222, 16326), (1692, 11791), (1814, 10998), (1833, 10884), (2444, 8163), (2721, 7332), (3628, 5499), (3666, 5442)]