19868148

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:997

約数の個数: 72

約数和(自身を含む): 54629120

約数和(自身を除く): 34760972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 937, 1116, 1178, 1767, 1874, 2356, 2811, 3534, 3748, 5301, 5622, 7068, 8433, 10602, 11244, 16866, 17803, 21204, 29047, 33732, 35606, 53409, 58094, 71212, 87141, 106818, 116188, 160227, 174282, 213636, 261423, 320454, 348564, 522846, 551893, 640908, 1045692, 1103786, 1655679, 2207572, 3311358, 4967037, 6622716, 9934074, 19868148]

約数ペア:

[(1, 19868148), (2, 9934074), (3, 6622716), (4, 4967037), (6, 3311358), (9, 2207572), (12, 1655679), (18, 1103786), (19, 1045692), (31, 640908), (36, 551893), (38, 522846), (57, 348564), (62, 320454), (76, 261423), (93, 213636), (114, 174282), (124, 160227), (171, 116188), (186, 106818), (228, 87141), (279, 71212), (342, 58094), (372, 53409), (558, 35606), (589, 33732), (684, 29047), (937, 21204), (1116, 17803), (1178, 16866), (1767, 11244), (1874, 10602), (2356, 8433), (2811, 7068), (3534, 5622), (3748, 5301)]