19799514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 52356096

約数和(自身を除く): 32556582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 37, 42, 62, 63, 74, 93, 111, 126, 137, 186, 217, 222, 259, 274, 279, 333, 411, 434, 518, 558, 651, 666, 777, 822, 959, 1147, 1233, 1302, 1554, 1918, 1953, 2294, 2331, 2466, 2877, 3441, 3906, 4247, 4662, 5069, 5754, 6882, 8029, 8494, 8631, 10138, 10323, 12741, 15207, 16058, 17262, 20646, 24087, 25482, 29729, 30414, 35483, 38223, 45621, 48174, 59458, 70966, 72261, 76446, 89187, 91242, 106449, 144522, 157139, 178374, 212898, 267561, 314278, 319347, 471417, 535122, 638694, 942834, 1099973, 1414251, 2199946, 2828502, 3299919, 6599838, 9899757, 19799514]

約数ペア:

[(1, 19799514), (2, 9899757), (3, 6599838), (6, 3299919), (7, 2828502), (9, 2199946), (14, 1414251), (18, 1099973), (21, 942834), (31, 638694), (37, 535122), (42, 471417), (62, 319347), (63, 314278), (74, 267561), (93, 212898), (111, 178374), (126, 157139), (137, 144522), (186, 106449), (217, 91242), (222, 89187), (259, 76446), (274, 72261), (279, 70966), (333, 59458), (411, 48174), (434, 45621), (518, 38223), (558, 35483), (651, 30414), (666, 29729), (777, 25482), (822, 24087), (959, 20646), (1147, 17262), (1233, 16058), (1302, 15207), (1554, 12741), (1918, 10323), (1953, 10138), (2294, 8631), (2331, 8494), (2466, 8029), (2877, 6882), (3441, 5754), (3906, 5069), (4247, 4662)]