19638996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 51381792

約数和(自身を除く): 31742796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 131, 156, 186, 262, 372, 393, 403, 524, 786, 806, 961, 1209, 1572, 1612, 1703, 1922, 2418, 2883, 3406, 3844, 4061, 4836, 5109, 5766, 6812, 8122, 10218, 11532, 12183, 12493, 16244, 20436, 24366, 24986, 37479, 48732, 49972, 52793, 74958, 105586, 125891, 149916, 158379, 211172, 251782, 316758, 377673, 503564, 633516, 755346, 1510692, 1636583, 3273166, 4909749, 6546332, 9819498, 19638996]

約数ペア:

[(1, 19638996), (2, 9819498), (3, 6546332), (4, 4909749), (6, 3273166), (12, 1636583), (13, 1510692), (26, 755346), (31, 633516), (39, 503564), (52, 377673), (62, 316758), (78, 251782), (93, 211172), (124, 158379), (131, 149916), (156, 125891), (186, 105586), (262, 74958), (372, 52793), (393, 49972), (403, 48732), (524, 37479), (786, 24986), (806, 24366), (961, 20436), (1209, 16244), (1572, 12493), (1612, 12183), (1703, 11532), (1922, 10218), (2418, 8122), (2883, 6812), (3406, 5766), (3844, 5109), (4061, 4836)]