18827757

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 12621843

約数列:

[1, 3, 9, 13, 29, 31, 39, 87, 93, 117, 179, 261, 279, 377, 403, 537, 899, 1131, 1209, 1611, 2327, 2697, 3393, 3627, 5191, 5549, 6981, 8091, 11687, 15573, 16647, 20943, 35061, 46719, 49941, 67483, 72137, 105183, 160921, 202449, 216411, 482763, 607347, 649233, 1448289, 2091973, 6275919, 18827757]

約数ペア:

[(1, 18827757), (3, 6275919), (9, 2091973), (13, 1448289), (29, 649233), (31, 607347), (39, 482763), (87, 216411), (93, 202449), (117, 160921), (179, 105183), (261, 72137), (279, 67483), (377, 49941), (403, 46719), (537, 35061), (899, 20943), (1131, 16647), (1209, 15573), (1611, 11687), (2327, 8091), (2697, 6981), (3393, 5549), (3627, 5191)]